TY - JOUR AU - M. R. Rangarajan TI - On the radius of starlikeness and convexity of certain classes of analytic functions JO - Annales Polonici Mathematici PY - 1985 SP - 125 EP - 135 VL - 45 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-45-2-125-135/ DO - 10.4064/ap-45-2-125-135 LA - en ID - 10_4064_ap_45_2_125_135 ER -