%0 Journal Article %A A. T. Nurtazin %T Countable infinite existentially closed models of universally axiomatizable theories %J Matematičeskie trudy %D 2015 %P 48-97 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2015_18_1_a3/ %G ru %F MT_2015_18_1_a3