@article{AL_1995_34_6_a2,
     author = {S. S. Goncharov and M. Pourmahdian},
     title = {Iterated extensions of models of countable theories and their},
     journal = {Algebra i logika},
     pages = {623--645},
     publisher = {mathdoc},
     volume = {34},
     number = {6},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1995_34_6_a2/}
}