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@article{IVM_1967_2_a6, author = {R. M. Nasyrov}, title = {Stability on a~finite time interval in the case of two null roots}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {48--56}, publisher = {mathdoc}, number = {2}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1967_2_a6/} }
R. M. Nasyrov. Stability on a~finite time interval in the case of two null roots. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1967), pp. 48-56. http://geodesic.mathdoc.fr/item/IVM_1967_2_a6/