%0 Journal Article %A W. Słowikowski %T On the theory of inductive families %J Studia Mathematica %D 1965 %P 1-10 %V 26 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-26-1-1-10/ %R 10.4064/sm-26-1-1-10 %G en %F 10_4064_sm_26_1_1_10