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@article{IVM_1984_7_a5, author = {M. Yu. Zvyagin}, title = {Variational {B\"acklund} transforms}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {44--50}, publisher = {mathdoc}, number = {7}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1984_7_a5/} }
M. Yu. Zvyagin. Variational B\"acklund transforms. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1984), pp. 44-50. http://geodesic.mathdoc.fr/item/IVM_1984_7_a5/