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@article{DE_1980_16_3_a0, author = {G. G. Islamov and I. Ya. Shneiberg}, title = {Existence of nonnegative solutions of linear differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {387--394}, publisher = {mathdoc}, volume = {16}, number = {3}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1980_16_3_a0/} }
G. G. Islamov; I. Ya. Shneiberg. Existence of nonnegative solutions of linear differential equations. Differencialʹnye uravneniâ, Tome 16 (1980) no. 3, pp. 387-394. http://geodesic.mathdoc.fr/item/DE_1980_16_3_a0/