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@article{DE_1967_3_12_a11, author = {I. P. Karasev}, title = {The existence of a domain of accessibility}, journal = {Differencialʹnye uravneni\^a}, pages = {2122--2126}, publisher = {mathdoc}, volume = {3}, number = {12}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_12_a11/} }
I. P. Karasev. The existence of a domain of accessibility. Differencialʹnye uravneniâ, Tome 3 (1967) no. 12, pp. 2122-2126. http://geodesic.mathdoc.fr/item/DE_1967_3_12_a11/