@article{MZM_1977_22_1_a12,
     author = {A. A. Amosov},
     title = {A~positive solution of an elliptic equation with nonlinear integral boundary condition of the radiation type},
     journal = {Matemati\v{c}eskie zametki},
     pages = {117--128},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1977_22_1_a12/}
}