%0 Journal Article %A Fridy, J. A. %T Minimal Rates of Summability %J Canadian journal of mathematics %D 1978 %P 808-816 %V 30 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-069-7/ %R 10.4153/CJM-1978-069-7 %F 10_4153_CJM_1978_069_7