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@article{IVM_1986_8_a5, author = {B. S. Kalitin}, title = {Nonasymptotic stability of invariant sets}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {31--34}, publisher = {mathdoc}, number = {8}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1986_8_a5/} }
B. S. Kalitin. Nonasymptotic stability of invariant sets. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1986), pp. 31-34. http://geodesic.mathdoc.fr/item/IVM_1986_8_a5/