TY - JOUR AU - V. G. Boltyanskii TI - The method of tents in the theory of extremal problems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1975 SP - 1 EP - 54 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1975_30_3_a0/ LA - en ID - RM_1975_30_3_a0 ER -