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@article{DAN_1988_303_4_a4, author = {Kh. G. Guseinov and V. N. Ushakov}, title = {Strongly and weakly invariant sets with respect to a differential}, journal = {Doklady Akademii Nauk}, pages = {794--796}, publisher = {mathdoc}, volume = {303}, number = {4}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_303_4_a4/} }
Kh. G. Guseinov; V. N. Ushakov. Strongly and weakly invariant sets with respect to a differential. Doklady Akademii Nauk, Tome 303 (1988) no. 4, pp. 794-796. http://geodesic.mathdoc.fr/item/DAN_1988_303_4_a4/