@article{IVM_1997_1_a2,
     author = {E. V. Lipacheva},
     title = {Partial automorphisms of countable models},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {12--21},
     year = {1997},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1997_1_a2/}
}