TY - JOUR AU - S. R. Singh TI - On the absolute Riesz summability factors of infinite series JO - Matematic̀Œki vesnik PY - 1968 SP - 311 VL - 20 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MV_1968_20_3_a8/ ID - MV_1968_20_3_a8 ER -