TY - JOUR AU - Roman Sikorski TI - On the definition of multi-valued analytic functions JO - Colloquium Mathematicum PY - 1961 SP - 267 EP - 269 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-8-2-267-269/ DO - 10.4064/cm-8-2-267-269 LA - en ID - 10_4064_cm_8_2_267_269 ER -