@article{DE_1974_10_2_a1,
     author = {P. S. Belevets and I. G. Kozhukh},
     title = {A qualitative study in the large of a certain class of dynamical systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {195--201},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_2_a1/}
}