%0 Journal Article %A Rieger, Ladislav %T A contribution to Gödel's axiomatic set theory, I %J Czechoslovak Mathematical Journal %D 1957 %P 323-357 %V 07 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1957.100254/ %R 10.21136/CMJ.1957.100254 %G en %F 10_21136_CMJ_1957_100254