@article{RM_1979_34_2_a1,
     author = {V. Ya. Belyaev and M. A. Taitslin},
     title = {On~elementary properties of existentially closed system},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {43--107},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1979},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1979_34_2_a1/}
}