@article{DAN_1985_285_5_a4,
     author = {M. V. Kokaya and I. A. Zhvaniya and M. Z. Maksimov},
     title = {A class of $n$th-order quasilinear partial differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {1048--1049},
     publisher = {mathdoc},
     volume = {285},
     number = {5},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_285_5_a4/}
}