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@article{IVM_1974_1_a13, author = {Ya. T. Sultanaev}, title = {A two-sided {Tauberian} theorem for ratios}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {103--112}, publisher = {mathdoc}, number = {1}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1974_1_a13/} }
Ya. T. Sultanaev. A two-sided Tauberian theorem for ratios. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1974), pp. 103-112. http://geodesic.mathdoc.fr/item/IVM_1974_1_a13/