TY - JOUR AU - A. R. Sarpe TI - On Euler means and T-means of orthogonal series JO - Matematic̀Œki vesnik PY - 1972 SP - 91 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MV_1972_24_1_a13/ ID - MV_1972_24_1_a13 ER -