%0 Journal Article %A V. G. Boltyanskii %T The method of tents in the theory of extremal problems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %P 1-54 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1975_30_3_a0/ %G en %F RM_1975_30_3_a0