TY - JOUR AU - H. Ratajski TI - On pointwise convergence of orthogonal polynomial series JO - Commentationes Mathematicae PY - 1967 SP - 169 EP - 173 VL - 10 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v10i2.5590/ DO - 10.14708/cm.v10i2.5590 LA - pl ID - 10_14708_cm_v10i2_5590 ER -