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@article{DE_1990_26_5_a7, author = {V. A. Pliss}, title = {The existence of a hyperbolic integral set of a special periodic system}, journal = {Differencialʹnye uravneni\^a}, pages = {800--808}, publisher = {mathdoc}, volume = {26}, number = {5}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1990_26_5_a7/} }
V. A. Pliss. The existence of a hyperbolic integral set of a special periodic system. Differencialʹnye uravneniâ, Tome 26 (1990) no. 5, pp. 800-808. http://geodesic.mathdoc.fr/item/DE_1990_26_5_a7/