%0 Journal Article %A S. N. Bespamyatnykh %T Efficient algorithms for calculating the modality of polygons %J Diskretnaya Matematika %D 1993 %P 120-132 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1993_5_4_a8/ %G ru %F DM_1993_5_4_a8