TY - JOUR AU - O. V. Piontkovskii TI - The minimization of nonlinear functionals in normed spaces JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1974 VL - 29 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1974_29_3_a30/ LA - ru ID - RM_1974_29_3_a30 ER -