@article{10_4064_cm_50_1_133_136, author = {F. Bagemihl}, title = {Rectilinearly and rectifiably ambiguous points of a function harmonic inside a sphere}, journal = {Colloquium Mathematicum}, pages = {133--136}, publisher = {mathdoc}, volume = {50}, number = {1}, year = {1985}, doi = {10.4064/cm-50-1-133-136}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-50-1-133-136/} }