Contents of Volume 4
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Approximation in metric linear spaces Banach Center Publications 4 (1979), 7-18 DOI: 10.4064/-4-1-7-18
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Inequalities for fractional derivatives on the half-line Banach Center Publications 4 (1979), 19-34 DOI: 10.4064/-4-1-19-34
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On the uniform continuity of metric projection Banach Center Publications 4 (1979), 35-41 DOI: 10.4064/-4-1-35-41
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Local Lipschitz continuity of the metric projection operator Banach Center Publications 4 (1979), 43-53 DOI: 10.4064/-4-1-43-53
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Equivalence, unconditionality and convergence a.e. of the spline bases in $L_p$ spaces Banach Center Publications 4 (1979), 55-68 DOI: 10.4064/-4-1-55-68
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Approximation of double coset spaces Banach Center Publications 4 (1979), 69-81 DOI: 10.4064/-4-1-69-81
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On some applications of Bochner-Schoenberg-Eberlein type theorems Banach Center Publications 4 (1979), 83-91 DOI: 10.4064/-4-1-83-91
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Zur Konstruktion von besten linearen Approximationen in normierten Räumen Banach Center Publications 4 (1979), 93-126 DOI: 10.4064/-4-1-93-126
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Теоремы двойственности и экстремальные задачи наилучшего приближения Banach Center Publications 4 (1979), 127-141 DOI: 10.4064/-4-1-127-141
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On the strong summability and approximation of Fourier series Banach Center Publications 4 (1979), 143-157 DOI: 10.4064/-4-1-143-157
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Operator norm bounds and error bounds for quadratic spline interpolation Banach Center Publications 4 (1979), 159-175 DOI: 10.4064/-4-1-159-175
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The upper bound of the norms of orthogonal projections onto subspaces of polygonal Banach Center Publications 4 (1979), 177-183 DOI: 10.4064/-4-1-177-183
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Quantitative estimates of N.N. Luzin's C-property for classes of integrable functions Banach Center Publications 4 (1979), 185-196 DOI: 10.4064/-4-1-185-196
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Properties of bounded orthonormal spline bases Banach Center Publications 4 (1979), 197-205 DOI: 10.4064/-4-1-197-205
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On a generalization of the martingale maximal theorem Banach Center Publications 4 (1979), 207-212 DOI: 10.4064/-4-1-207-212
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Lower bounds for spline approximation Banach Center Publications 4 (1979), 213-223 DOI: 10.4064/-4-1-213-223
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Comparative approximation in two topologies Banach Center Publications 4 (1979), 225-232 DOI: 10.4064/-4-1-225-232
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A counterexample in harmonic analysis Banach Center Publications 4 (1979), 233-236 DOI: 10.4064/-4-1-233-236
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On Banach spaces in which every M-basis is a generalized summation basis Banach Center Publications 4 (1979), 237-240 DOI: 10.4064/-4-1-237-240
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A relation between Fourier transforms in one and two variables Banach Center Publications 4 (1979), 241-245 DOI: 10.4064/-4-1-241-245
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Indirect approximation theorems in $L^p$-metrics $(1 < p < ∞)$ Banach Center Publications 4 (1979), 247-259 DOI: 10.4064/-4-1-247-259
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On unconditional convergence of Haar series Banach Center Publications 4 (1979), 261-272 DOI: 10.4064/-4-1-261-272
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Теория экстремальных задач и теория приближений Banach Center Publications 4 (1979), 273-286 DOI: 10.4064/-4-1-273-286
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A multiplier in Besov spaces which is not a multiplier in Lebesgue spaces Banach Center Publications 4 (1979), 287-291 DOI: 10.4064/-4-1-287-291
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On the dual of weighted $H^1 (|z|<1)$ Banach Center Publications 4 (1979), 293-303 DOI: 10.4064/-4-1-293-303
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On the application of the orthonormal Franklin system to the approximation of analytic functions Banach Center Publications 4 (1979), 305-316 DOI: 10.4064/-4-1-305-316
