@article{DE_1967_3_12_a0,
     author = {E. A. Barbashin},
     title = {The classification of trajectories of a dynamical system with cylindrical phase space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2015--2020},
     publisher = {mathdoc},
     volume = {3},
     number = {12},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_12_a0/}
}