%0 Journal Article %A Macphail, M. S. %A Wilansky, A. %T Linear Functionals and Summability Invariants %J Canadian mathematical bulletin %D 1974 %P 233-242 %V 17 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-046-2/ %R 10.4153/CMB-1974-046-2 %F 10_4153_CMB_1974_046_2