TY - JOUR AU - Wolfgang A. Schmid TI - Periods of sets of lengths: a quantitative result and an associated inverse problem JO - Colloquium Mathematicum PY - 2008 SP - 33 EP - 53 VL - 113 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm113-1-4/ DO - 10.4064/cm113-1-4 LA - en ID - 10_4064_cm113_1_4 ER -