TY - JOUR AU - E. Straus TI - On a problem of W. SierpiƄski on the congruence of sets JO - Fundamenta Mathematicae PY - 1957 SP - 75 EP - 81 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-44-1-75-81/ DO - 10.4064/fm-44-1-75-81 LA - en ID - 10_4064_fm_44_1_75_81 ER -