@article{DE_1973_9_4_a0,
     author = {L. N. Belyustina and V. N. Belykh},
     title = {The global structure of the decomposition of the cylindrical phase space of a certain nonautonomous system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {595--608},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_4_a0/}
}