TY - JOUR AU - A. Zygmund TI - On certain methods of summability associated with conjugate trigonometric series JO - Studia Mathematica PY - 1948 SP - 97 EP - 103 VL - 10 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-10-1-97-103/ DO - 10.4064/sm-10-1-97-103 LA - en ID - 10_4064_sm_10_1_97_103 ER -