@article{DE_1966_2_12_a0,
     author = {V. A. Baidosov},
     title = {Defining relations in dynamical systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1547--1552},
     publisher = {mathdoc},
     volume = {2},
     number = {12},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_12_a0/}
}