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@article{IVM_1999_3_a1, author = {A. I. Vahabov}, title = {The problem of the vibration of a~finite string with nonlinear perturbation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {17--21}, publisher = {mathdoc}, number = {3}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1999_3_a1/} }
A. I. Vahabov. The problem of the vibration of a~finite string with nonlinear perturbation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1999), pp. 17-21. http://geodesic.mathdoc.fr/item/IVM_1999_3_a1/