@article{DE_1987_23_3_a24,
     author = {I. G. Egorov and S. A. Kartuzova},
     title = {On the asymptotic behavior of the solutions of a nonlinear system of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {521--524},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_3_a24/}
}