TY - JOUR AU - I. A. Bogaevsky TI - Singularities of Convex Hulls of Three-Dimensional Hypersurfaces JO - Informatics and Automation PY - 1998 SP - 81 EP - 100 VL - 221 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1998_221_a4/ LA - ru ID - TRSPY_1998_221_a4 ER -