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@article{DE_1990_26_8_a7, author = {A. F. Filippov}, title = {Perturbations of linear systems with quasiperiodic coefficients}, journal = {Differencialʹnye uravneni\^a}, pages = {1343--1348}, publisher = {mathdoc}, volume = {26}, number = {8}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1990_26_8_a7/} }
A. F. Filippov. Perturbations of linear systems with quasiperiodic coefficients. Differencialʹnye uravneniâ, Tome 26 (1990) no. 8, pp. 1343-1348. http://geodesic.mathdoc.fr/item/DE_1990_26_8_a7/