@article{ZNSL_1990_182_a9,
     author = {V. A. Solonnikov and E. V. Frolova},
     title = {Investigation of a boundary value problem in a plane infinite wedge for the {Laplacean} with the boundary condition of a special type},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {149--167},
     year = {1990},
     volume = {182},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_182_a9/}
}