@article{DAN_1967_177_5_a0,
     author = {M. V. Borsuk},
     title = {A priori estimates and solvability of second-order quasilinear elliptic equations in a composite region with nonlinear boundary and conjugacy condition},
     journal = {Doklady Akademii Nauk},
     pages = {991--994},
     publisher = {mathdoc},
     volume = {177},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_177_5_a0/}
}