TY - JOUR AU - Waldemar PopiƄski TI - On least squares estimation of Fourier coefficients and of the regression function JO - Applicationes Mathematicae PY - 1993 SP - 91 EP - 102 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-22-1-91-102/ DO - 10.4064/am-22-1-91-102 LA - en ID - 10_4064_am_22_1_91_102 ER -