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@article{IVM_1992_12_a9, author = {M. Yu. Yunusov}, title = {Some boundary value problems that contain a~small parameter}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {67--79}, publisher = {mathdoc}, number = {12}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1992_12_a9/} }
M. Yu. Yunusov. Some boundary value problems that contain a~small parameter. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1992), pp. 67-79. http://geodesic.mathdoc.fr/item/IVM_1992_12_a9/