Mathematical Monographs
| 31 | Slebodzinski W. | Formes exterieures et leurs applications. vol.I, | Warszawa 1954, pp. VI, 154;Fr. | € 10.00 |
| 43 | Szarski J. | Differential inequalities. 2nd ed.rev. | Warszawa 1967, pp. 256;Engl. | € 14.00 |
| 31 | Slebodzinski W. | Formes exterieures et leurs applications. vol.I, | Warszawa 1954, pp. VI, 154;Fr. | € 10.00 |
| 43 | Szarski J. | Differential inequalities. 2nd ed.rev. | Warszawa 1967, pp. 256;Engl. | € 14.00 |
