%0 Journal Article %A V. V. Shelukhin %T On~a~quadratic functional in a nonlocal boundary value problem for the heat equation %J Matematičeskie zametki %D 1991 %P 135-143 %V 49 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_49_1_a16/ %G ru %F MZM_1991_49_1_a16