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@article{IVM_1980_4_a5, author = {Ya. E. Zhak}, title = {Some properties of absolutely convergent double trigonometric series}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {24--31}, publisher = {mathdoc}, number = {4}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1980_4_a5/} }
Ya. E. Zhak. Some properties of absolutely convergent double trigonometric series. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1980), pp. 24-31. http://geodesic.mathdoc.fr/item/IVM_1980_4_a5/