Preprint
kozek, Andrzej
Preprint Andrzej Kozek - Varsovia Inst. of Math., Polish Academy of Sciences 1973 - 31 p 24 cm - Preprint No. 5 .
Contine bibliografie
Preprint Andrzej Kozek - Varsovia Inst. of Math., Polish Academy of Sciences 1973 - 31 p 24 cm - Preprint No. 5 .
Contine bibliografie