%0 Journal Article %A Jan Waszkiewicz %T $ω_0$-categoricity of generalized products %J Colloquium Mathematicum %D 1973 %P 1-5 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-27-1-1-5/ %R 10.4064/cm-27-1-1-5 %G en %F 10_4064_cm_27_1_1_5