@article{1028999849, author = {Brown, H. I.}, title = {Replaceability of $l-l$ methods of summation.}, journal = {Michigan Math. J.}, volume = {14}, number = {1}, year = {1967}, language = {en}, url = {http://dml.mathdoc.fr/item/1028999849} }
Brown, H. I. Replaceability of $l-l$ methods of summation.. Michigan Math. J., Tome 14 (1967) no. 1, . http://gdmltest.u-ga.fr/item/1028999849/