TY - GEN A2 - Polska Akademia Nauk. PB - Państ. Wydaw. Nauk. N1 - 24 cm N1 - Text in English N1 - Abstract in Russian M3 - Text CY - Warsaw J2 - Bulletin of the Polish Academy of Sciences. Mathematics J2 - Mathematics PY - 1992 KW - Matematyka -- -- -- -- czasopisma. [KABA] T1 - Bulletin of the Polish Academy of Sciences. Mathematics. UR - http://rcin.org.pl/dlibra/publication/52398 ER -