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@article{DE_1980_16_12_a4, author = {V. B. Pilyugina}, title = {On a system with a triple zero root of the characteristic {equation.~I}}, journal = {Differencialʹnye uravneni\^a}, pages = {2148--2155}, publisher = {mathdoc}, volume = {16}, number = {12}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1980_16_12_a4/} }
V. B. Pilyugina. On a system with a triple zero root of the characteristic equation.~I. Differencialʹnye uravneniâ, Tome 16 (1980) no. 12, pp. 2148-2155. http://geodesic.mathdoc.fr/item/DE_1980_16_12_a4/