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@article{DE_1992_28_12_a7, author = {A. Kh. Amirov}, title = {A boundary value problem for a differential inequality}, journal = {Differencialʹnye uravneni\^a}, pages = {2070--2075}, publisher = {mathdoc}, volume = {28}, number = {12}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_12_a7/} }
A. Kh. Amirov. A boundary value problem for a differential inequality. Differencialʹnye uravneniâ, Tome 28 (1992) no. 12, pp. 2070-2075. http://geodesic.mathdoc.fr/item/DE_1992_28_12_a7/