%0 Journal Article %A J. Łoś %A R. Suszko %T On the extending of models (II) %J Fundamenta Mathematicae %D 1955 %P 343-347 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-42-2-343-347/ %R 10.4064/fm-42-2-343-347 %G en %F 10_4064_fm_42_2_343_347