%0 Journal Article %A T.K. Dey %A H. Schipper %T A New Technique To Compute Polygonal Schema for 2-Manifolds with Application to Null-Homotopy Detection. %J Discrete & computational geometry %D 1995 %P 93-110 %V 14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DCG_1995__14_3_131393/ %F DCG_1995__14_3_131393