@article{AL_1987_26_6_a1,
     author = {Yu. G. Ventsov},
     title = {Nonuniform autostability of models},
     journal = {Algebra i logika},
     pages = {684--714},
     publisher = {mathdoc},
     volume = {26},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1987_26_6_a1/}
}