TY - JOUR AU - Yungyen Chiang TI - Geometric intersection numbers on a five-punctured sphere JO - Annales Fennici Mathematici PY - 2001 SP - 73 EP - 124 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AFM_2001_26_1_a2/ LA - en ID - AFM_2001_26_1_a2 ER -