@article{DE_1970_6_10_a3,
     author = {V. F. Filiptsov},
     title = {Integral curves of a certain dynamic system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1772--1779},
     publisher = {mathdoc},
     volume = {6},
     number = {10},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_10_a3/}
}