@article{DE_1992_28_5_a3,
     author = {G. S. Krechetov},
     title = {Asymptotic properties of solutions of systems of the first class. {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {760--764},
     publisher = {mathdoc},
     volume = {28},
     number = {5},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_5_a3/}
}