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@article{IVM_2013_12_a7, author = {E. I. Bravyi}, title = {Minimal periods of solutions to higher-order functional differential equations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {77--82}, publisher = {mathdoc}, number = {12}, year = {2013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2013_12_a7/} }
E. I. Bravyi. Minimal periods of solutions to higher-order functional differential equations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (2013), pp. 77-82. http://geodesic.mathdoc.fr/item/IVM_2013_12_a7/