@article{DAN_1972_202_5_a8,
     author = {G. N. Yakovlev},
     title = {On the solutions of a class of second order quasi-linear elliptic equations},
     journal = {Doklady Akademii Nauk},
     pages = {1020--1023},
     publisher = {mathdoc},
     volume = {202},
     number = {5},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_5_a8/}
}