TY - JOUR AU - P. G. Grigor'ev TI - On the Orthomassivity of the Set of Characteristic Functions of Convex Sets JO - Matematičeskie zametki PY - 2004 SP - 151 EP - 155 VL - 75 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2004_75_1_a13/ LA - ru ID - MZM_2004_75_1_a13 ER -