TY - JOUR AU - Horst Martini AU - Anatoly Shcherba TI - On the stability of the unit circle with minimal self-perimeter in normed planes JO - Colloquium Mathematicum PY - 2013 SP - 69 EP - 87 VL - 131 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm131-1-7/ DO - 10.4064/cm131-1-7 LA - en ID - 10_4064_cm131_1_7 ER -