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@article{IVM_1980_9_a1, author = {A. R. Abdulgamidov}, title = {Properties of coefficients of orthogonal series}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {5--6}, publisher = {mathdoc}, number = {9}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1980_9_a1/} }
A. R. Abdulgamidov. Properties of coefficients of orthogonal series. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1980), pp. 5-6. http://geodesic.mathdoc.fr/item/IVM_1980_9_a1/