TY - JOUR AU - S. Balcerzyk TI - Power series as orthogonal expansions JO - Studia Mathematica PY - 1963 SP - 31 EP - 39 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-23-1-31-39/ DO - 10.4064/sm-23-1-31-39 LA - en ID - 10_4064_sm_23_1_31_39 ER -