Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
G. S. Krechetov. Asymptotic properties of solutions of systems of the first class. I. Differencialʹnye uravneniâ, Tome 28 (1992) no. 5, pp. 760-764. http://geodesic.mathdoc.fr/item/DE_1992_28_5_a3/