@article{1028998613, author = {Erd\H os, Paul and Hanani, Haim}, title = {On $C\_1$-summability of series.}, journal = {Michigan Math. J.}, volume = {9}, number = {1}, year = {1962}, pages = { 1-14}, language = {en}, url = {http://dml.mathdoc.fr/item/1028998613} }
Erdős, Paul; Hanani, Haim. On $C_1$-summability of series.. Michigan Math. J., Tome 9 (1962) no. 1, pp. 1-14. http://gdmltest.u-ga.fr/item/1028998613/