TY - JOUR AU - Q. I. Rahman TI - The Ritt order of the derivative of an entire function JO - Annales Polonici Mathematici PY - 1965 SP - 137 EP - 140 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-17-2-137-140/ DO - 10.4064/ap-17-2-137-140 LA - en ID - 10_4064_ap_17_2_137_140 ER -