@article{PIM_1993_N_S_54_68_a6,
     author = {I.G. Stratis},
     title = {On {Solvability} of a {Nonlinear} {Elliptic} {Boundary} {Value} {Problem}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {38 },
     publisher = {mathdoc},
     volume = {_N_S_54},
     number = {68},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1993_N_S_54_68_a6/}
}