TY - JOUR AU - P. S. Soltan TI - Illumination from within for unbounded convex bodies JO - Doklady Akademii Nauk PY - 1970 SP - 273 EP - 274 VL - 194 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_194_2_a8/ LA - ru ID - DAN_1970_194_2_a8 ER -