%0 Journal Article %A J. Łoś %A J. Słomiński %A R. Suszko %T On extending of models V. Embedding theorems for relational models %J Fundamenta Mathematicae %D 1959 %P 113-121 %V 48 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-48-2-113-121/ %R 10.4064/fm-48-2-113-121 %G en %F 10_4064_fm_48_2_113_121