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@article{DE_1988_24_12_a10, author = {E. K. Makarov}, title = {Sets of irregularity of linear systems with a parameter multiplying the derivative}, journal = {Differencialʹnye uravneni\^a}, pages = {2091--2098}, publisher = {mathdoc}, volume = {24}, number = {12}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_12_a10/} }
E. K. Makarov. Sets of irregularity of linear systems with a parameter multiplying the derivative. Differencialʹnye uravneniâ, Tome 24 (1988) no. 12, pp. 2091-2098. http://geodesic.mathdoc.fr/item/DE_1988_24_12_a10/