TY - JOUR AU - S., Mukhopadhaya TI - Extended Minimum-Number Theorems of Cyclic and Sextactic Points on a Plane Convex Oval JO - Mathematische Zeitschrift PY - 1931 SP - 648 EP - 662 VL - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1931__33_168290/ ID - MZ_1931__33_168290 ER -