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@article{DE_1982_18_2_a22, author = {L. S. Sergienko}, title = {On a degenerate system of composite type}, journal = {Differencialʹnye uravneni\^a}, pages = {349--351}, publisher = {mathdoc}, volume = {18}, number = {2}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1982_18_2_a22/} }
L. S. Sergienko. On a degenerate system of composite type. Differencialʹnye uravneniâ, Tome 18 (1982) no. 2, pp. 349-351. http://geodesic.mathdoc.fr/item/DE_1982_18_2_a22/