TY - JOUR AU - A. Sharma TI - Some properties of plane curves JO - Annales Polonici Mathematici PY - 1959 SP - 245 EP - 252 VL - 6 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-6-3-245-252/ DO - 10.4064/ap-6-3-245-252 LA - en ID - 10_4064_ap_6_3_245_252 ER -