%0 Journal Article %A Q. I. Rahman %T The Ritt order of the derivative of an entire function %J Annales Polonici Mathematici %D 1965 %P 137-140 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-17-2-137-140/ %R 10.4064/ap-17-2-137-140 %G en %F 10_4064_ap_17_2_137_140