TY - JOUR AU - R. Taberski TI - Some properties of M-variations JO - Commentationes Mathematicae PY - 1971 SP - 141 EP - 146 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v15i1.5714/ DO - 10.14708/cm.v15i1.5714 LA - pl ID - 10_14708_cm_v15i1_5714 ER -