%0 Journal Article %A V. Ya. Belyaev %A M. A. Taitslin %T On~elementary properties of existentially closed system %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1979 %P 43-107 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1979_34_2_a1/ %G en %F RM_1979_34_2_a1