TY - JOUR AU - Waldemar PopiƄski TI - A note on orthogonal series regression function estimators JO - Applicationes Mathematicae PY - 1999 SP - 281 EP - 291 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-26-3-281-291/ DO - 10.4064/am-26-3-281-291 LA - en ID - 10_4064_am_26_3_281_291 ER -