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@article{IM2_1983_21_2_a8, author = {N. T. Tynyanskii and A. V. Arutyunov}, title = {On the system of {Jacobi} equations in a~time-optimal problem}, journal = {Izvestiya. Mathematics }, pages = {375--397}, publisher = {mathdoc}, volume = {21}, number = {2}, year = {1983}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1983_21_2_a8/} }
N. T. Tynyanskii; A. V. Arutyunov. On the system of Jacobi equations in a~time-optimal problem. Izvestiya. Mathematics , Tome 21 (1983) no. 2, pp. 375-397. http://geodesic.mathdoc.fr/item/IM2_1983_21_2_a8/