@article{DE_1977_13_12_a8,
     author = {J. D. Mirzov},
     title = {The asymptotic properties of the solutions of two-dimensional differential systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2188--2198},
     publisher = {mathdoc},
     volume = {13},
     number = {12},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_12_a8/}
}