@article{PDM_2011_13_a12,
     author = {L. N. Andreeva},
     title = {Mapping enlargements preserving  identification  property},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {26--27},
     publisher = {mathdoc},
     number = {13},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2011_13_a12/}
}