%0 Journal Article %A Sochor, AntonĂ­n %T Metamathematics of the alternative set theory. I. %J Commentationes Mathematicae Universitatis Carolinae %D 1979 %P 697-722 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1979__20_4_a6/ %G en %F CMUC_1979__20_4_a6