%0 Journal Article %A MacGregor, Thomas H. %T An Inequality Concerning Analytic Functions with a Positive Real Part %J Canadian journal of mathematics %D 1969 %P 1172-1177 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-128-0/ %R 10.4153/CJM-1969-128-0 %F 10_4153_CJM_1969_128_0