@article{AA_1992_4_6_a6,
     author = {N. M. Ivochkina},
     title = {The {Dirichlet} principle in the theory of equations of {Monge--Amp\`ere} type},
     journal = {Algebra i analiz},
     pages = {131--156},
     publisher = {mathdoc},
     volume = {4},
     number = {6},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1992_4_6_a6/}
}