@article{10_14708_cm_v24i1_6073,
     author = {M. Filar},
     title = {Boundary value problems for the {Helmholtz} equation in a rectangular polyhedral angle of the {Euclidean} n-space},
     journal = {Commentationes Mathematicae},
     pages = { 31--41},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1984},
     doi = {10.14708/cm.v24i1.6073},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v24i1.6073/}
}