%0 Journal Article %A N. M. Ivochkina %T The Dirichlet principle in the theory of equations of Monge–Ampère type %J Algebra i analiz %D 1992 %P 131-156 %V 4 %N 6 %U http://geodesic.mathdoc.fr/item/AA_1992_4_6_a6/ %G ru %F AA_1992_4_6_a6