TY - JOUR AU - F. Bagemihl TI - Rectilinearly and rectifiably ambiguous points of a function harmonic inside a sphere JO - Colloquium Mathematicum PY - 1985 SP - 133 EP - 136 VL - 50 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-50-1-133-136/ DO - 10.4064/cm-50-1-133-136 LA - en ID - 10_4064_cm_50_1_133_136 ER -