%0 Journal Article %A G. G. Kazaryan %T Variational problem for a nonregular equation and the uniqueness of the classical solution %J Differencialʹnye uravneniâ %D 1982 %P 1907-1917 %V 18 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_11_a8/ %G ru %F DE_1982_18_11_a8