TY - JOUR AU - W. Mlak TI - A note on a Szegö type properties of semi-spectral measures JO - Studia Mathematica PY - 1968 SP - 241 EP - 251 VL - 31 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-31-3-241-251/ DO - 10.4064/sm-31-3-241-251 LA - en ID - 10_4064_sm_31_3_241_251 ER -