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@article{IVM_1974_11_a4, author = {S. V. Zotikov}, title = {The absolute convergence of series in systems of {Haar} type}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {31--43}, publisher = {mathdoc}, number = {11}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1974_11_a4/} }
S. V. Zotikov. The absolute convergence of series in systems of Haar type. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1974), pp. 31-43. http://geodesic.mathdoc.fr/item/IVM_1974_11_a4/