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@article{JRAM_1973__260_151315, author = {D. Borwein and J.H. Rizvi}, title = {On strong summability.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {119--126}, publisher = {mathdoc}, volume = {260}, year = {1973}, zbl = {0255.40006}, url = {http://geodesic.mathdoc.fr/item/JRAM_1973__260_151315/} }
D. Borwein; J.H. Rizvi. On strong summability.. Journal für die reine und angewandte Mathematik, Tome 260 (1973), pp. 119-126. http://geodesic.mathdoc.fr/item/JRAM_1973__260_151315/