%0 Journal Article %A S. G. Suvorov %T On the conditional extremum of functionals with discontinuous gradients %J Matematičeskie zametki %D 1976 %P 581-588 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1976_20_4_a12/ %G ru %F MZM_1976_20_4_a12