@article{SM_1967_1_2_a2,
     author = {Yu. A. Dubinskii and S. I. Pokhozhaev},
     title = {On a certain class of operators and the solvability of quasilinear elliptic equations},
     journal = {Sbornik. Mathematics},
     pages = {199--207},
     year = {1967},
     volume = {1},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_1_2_a2/}
}