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@article{DE_1968_4_8_a1, author = {V. M. Matrosov}, title = {The comparison principle with a vector-valued {Ljapunov} {function.~I}}, journal = {Differencialʹnye uravneni\^a}, pages = {1374--1386}, publisher = {mathdoc}, volume = {4}, number = {8}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_8_a1/} }
V. M. Matrosov. The comparison principle with a vector-valued Ljapunov function.~I. Differencialʹnye uravneniâ, Tome 4 (1968) no. 8, pp. 1374-1386. http://geodesic.mathdoc.fr/item/DE_1968_4_8_a1/