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@article{DE_1976_12_10_a2, author = {A. B. Vasil'eva}, title = {Singularly perturbed systems that contain an indeterminacy in the degeneracy}, journal = {Differencialʹnye uravneni\^a}, pages = {1748--1757}, publisher = {mathdoc}, volume = {12}, number = {10}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_10_a2/} }
A. B. Vasil'eva. Singularly perturbed systems that contain an indeterminacy in the degeneracy. Differencialʹnye uravneniâ, Tome 12 (1976) no. 10, pp. 1748-1757. http://geodesic.mathdoc.fr/item/DE_1976_12_10_a2/