%0 Journal Article %A S. S. Goncharov %A M. Pourmahdian %T Iterated extensions of models of countable theories and their %J Algebra i logika %D 1995 %P 623-645 %V 34 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1995_34_6_a2/ %G ru %F AL_1995_34_6_a2