@article{SM_1984_48_2_a1,
     author = {N. V. Krylov},
     title = {On degenerate nonlinear elliptic equations},
     journal = {Sbornik. Mathematics},
     pages = {307--326},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_48_2_a1/}
}