TY - JOUR AU - Abbaspour, Hossein AU - Zeinalian, Mahmoud TI - String bracket and flat connections JO - Algebraic and Geometric Topology PY - 2007 SP - 197 EP - 231 VL - 7 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.197/ DO - 10.2140/agt.2007.7.197 ID - 10_2140_agt_2007_7_197 ER -