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@article{IVM_1973_11_a2, author = {I. A. Bikchantaev}, title = {Some boundary value problems for a~certain elliptic {equation.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {21--30}, publisher = {mathdoc}, number = {11}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1973_11_a2/} }
I. A. Bikchantaev. Some boundary value problems for a~certain elliptic equation.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1973), pp. 21-30. http://geodesic.mathdoc.fr/item/IVM_1973_11_a2/