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@article{PORMA_1997__54_4_47925, author = {Seyhan, H. and S\"onmez, A.}, title = {On summability factors.}, journal = {Portugaliae mathematica}, pages = {393--398}, publisher = {mathdoc}, volume = {54}, number = {4}, year = {1997}, zbl = {0893.40005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1997__54_4_47925/} }
Seyhan, H.; Sönmez, A. On summability factors.. Portugaliae mathematica, Tome 54 (1997) no. 4, pp. 393-398. http://geodesic.mathdoc.fr/item/PORMA_1997__54_4_47925/