Contents of Number 2
Volume 53 / 1991
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p-convex functions in linear spaces Annales Polonici Mathematici 53 (1991) , 91-108 DOI: 10.4064/ap-53-2-91-108
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A classification of dynamical systems Annales Polonici Mathematici 53 (1991) , 109-121 DOI: 10.4064/ap-53-2-109-121
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On generalized Pascu class of functions Annales Polonici Mathematici 53 (1991) , 123-130 DOI: 10.4064/ap-53-2-123-130
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On the convergence of the iterates of the Frobenius-Perron operator associated with a Markov map defined on an interval. The lower-function approach Annales Polonici Mathematici 53 (1991) , 131-137 DOI: 10.4064/ap-53-2-131-137
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Relative entropy and stability of stochastic semigroups Annales Polonici Mathematici 53 (1991) , 139-145 DOI: 10.4064/ap-53-2-139-145
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A modern proof of the Maximum Principle Annales Polonici Mathematici 53 (1991) , 147-152 DOI: 10.4064/ap-53-2-147-152
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Some applications of bifurcation theory to ordinary differential equations of the fourth order Annales Polonici Mathematici 53 (1991) , 153-160 DOI: 10.4064/ap-53-2-153-160
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Differential operators of gradient type associated with spherical harmonics Annales Polonici Mathematici 53 (1991) , 161-183 DOI: 10.4064/ap-53-2-161-183