TY - JOUR AU - V. G. Boltyanskii TI - Solution to the lighting problem for zone bodies JO - Matematičeskie zametki PY - 1995 SP - 505 EP - 511 VL - 58 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1995_58_4_a2/ LA - ru ID - MZM_1995_58_4_a2 ER -