TY - JOUR AU - W.M. SCHMIDT TI - Irregularities of Distribution. IV. JO - Inventiones mathematicae PY - 1969 SP - 55 EP - 82 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1969__7_141953/ ID - IM_1969__7_141953 ER -