@article{DE_1978_14_5_a2,
     author = {L. A. Beklemisheva},
     title = {Classification of polynomial systems with respect to birational {transformations.~I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {807--816},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_5_a2/}
}