@article{DE_1981_17_4_a5,
     author = {T. H. Nguy\^en},
     title = {Asymptotic behavior of solutions of nonlinear systems of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {624--628},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_4_a5/}
}