TY - JOUR AU - O. V. Bogopolskii AU - V. A. Vasil'ev TI - On the multiplicity of illumination of convex bodies by point sources JO - Matematičeskie zametki PY - 1993 SP - 12 EP - 18 VL - 54 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_54_4_a1/ LA - ru ID - MZM_1993_54_4_a1 ER -