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@article{DE_1972_8_3_a16, author = {Yu. I. Zubko}, title = {Differential inequalities for linear differential equations with retarded argument}, journal = {Differencialʹnye uravneni\^a}, pages = {534--538}, publisher = {mathdoc}, volume = {8}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_3_a16/} }
Yu. I. Zubko. Differential inequalities for linear differential equations with retarded argument. Differencialʹnye uravneniâ, Tome 8 (1972) no. 3, pp. 534-538. http://geodesic.mathdoc.fr/item/DE_1972_8_3_a16/