@article{AA_1990_2_3_a6,
     author = {N. M. Ivochkina},
     title = {The {Dirichlet} problem for the curvature equation of order~$m$},
     journal = {Algebra i analiz},
     pages = {192--217},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1990_2_3_a6/}
}