TY - JOUR AU - B. Kirchheim AU - Tomasz Natkaniec TI - Exceptional directions for SierpiƄski's nonmeasurable sets JO - Fundamenta Mathematicae PY - 1991 SP - 237 EP - 245 VL - 140 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-140-3-237-245/ DO - 10.4064/fm-140-3-237-245 LA - en ID - 10_4064_fm_140_3_237_245 ER -