@article{01347944, title = {Absolute summability factors and absolute Tauberian theorems for double series and sequences.}, journal = {Georgian Mathematical Journal}, volume = {6}, year = {1999}, pages = {591-600}, doi = {10.1023/A:1022966330835}, zbl = {0934.40002}, language = {en}, url = {http://dml.mathdoc.fr/item/01347944} }
Yanetz, Sh. Absolute summability factors and absolute Tauberian theorems for double series and sequences.. Georgian Mathematical Journal, Tome 6 (1999) pp. 591-600. doi : 10.1023/A:1022966330835. http://gdmltest.u-ga.fr/item/01347944/