%0 Journal Article %A R. F. Khabibullin %T Subgradient method for minimization of convex functionals and some efficiency bounds %J Issledovaniya po Prikladnoi Matematike i Informatike %D 1984 %P 25-35 %V 12 %N 12 %U http://geodesic.mathdoc.fr/item/KUIPM_1984_12_12_a3/ %G ru %F KUIPM_1984_12_12_a3