TY - JOUR AU - Marek Rochowski TI - Length-preserving deformations of closed plane curvesc JO - Colloquium Mathematicum PY - 1973 SP - 231 EP - 246 VL - 28 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-28-2-231-246/ DO - 10.4064/cm-28-2-231-246 LA - en ID - 10_4064_cm_28_2_231_246 ER -