@article{1102947944, author = {Dawson, David F.}, title = {Summability of subsequences and stretchings of sequences.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 455-460}, language = {en}, url = {http://dml.mathdoc.fr/item/1102947944} }
Dawson, David F. Summability of subsequences and stretchings of sequences.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 455-460. http://gdmltest.u-ga.fr/item/1102947944/