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@article{DE_1998_34_10_a4, author = {E. K. Makarov}, title = {On the discreteness of asymptotic invariants of linear differential systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1322--1331}, publisher = {mathdoc}, volume = {34}, number = {10}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1998_34_10_a4/} }
E. K. Makarov. On the discreteness of asymptotic invariants of linear differential systems. Differencialʹnye uravneniâ, Tome 34 (1998) no. 10, pp. 1322-1331. http://geodesic.mathdoc.fr/item/DE_1998_34_10_a4/