%0 Journal Article %A Sochor, Antonín %A Vopěnka, Petr %T Endomorphic universes and their standard extensions %J Commentationes Mathematicae Universitatis Carolinae %D 1979 %P 605-629 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1979__20_4_a0/ %G en %F CMUC_1979__20_4_a0