%0 Journal Article %A S. Ya. Serovaǐskiǐ %T Optimal Control of an Elliptic Equation with a Nonsmooth Nonlinearity %J Differencialʹnye uravneniâ %D 2003 %P 1420-1424 %V 39 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2003_39_10_a12/ %G ru %F DE_2003_39_10_a12