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@article{SEMR_2006_3_a10, author = {Dang Khanh Hoi}, title = {Periodic solutions of some linear systems of differential equations}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {169--184}, publisher = {mathdoc}, volume = {3}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SEMR_2006_3_a10/} }
Dang Khanh Hoi. Periodic solutions of some linear systems of differential equations. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 3 (2006), pp. 169-184. http://geodesic.mathdoc.fr/item/SEMR_2006_3_a10/