TY - JOUR AU - C.T. RAJAGOPAL TI - On an absolute constant for a class of power series JO - Mathematica Scandinavica PY - 1957 SP - 267 EP - 270 VL - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1957__5_165667/ ID - MS2_1957__5_165667 ER -