%0 Journal Article %A Johnston, Elgin %T A Generalized Comparison Test %J Canadian mathematical bulletin %D 1981 %P 485-487 %V 24 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-072-0/ %R 10.4153/CMB-1981-072-0 %F 10_4153_CMB_1981_072_0