%0 Journal Article %T On the Inequality %J Canadian mathematical bulletin %D 1974 %P 193-199 %V 17 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-039-8/ %R 10.4153/CMB-1974-039-8 %F 10_4153_CMB_1974_039_8