%0 Journal Article %A Xu Yan-Hui %T A power series approach to an inequality and its generalizations %J The Teaching of Mathematics %D 2016 %P 76 %V XIX %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM2_2016_XIX_2_a2/ %G en %F TM2_2016_XIX_2_a2