%0 Journal Article %A Yungyen Chiang %T Geometric intersection numbers on a five-punctured sphere %J Annales Fennici Mathematici %D 2001 %P 73-124 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_2001_26_1_a2/ %G en %F AFM_2001_26_1_a2