@article{10_14708_cm_v17i2_5795,
     author = {E. \'Sliwi\'nski},
     title = {The {Dirichlet} and {Neumann} problem for {Laplace} equation in an angular region},
     journal = {Commentationes Mathematicae},
     pages = { 489--498},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1974},
     doi = {10.14708/cm.v17i2.5795},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i2.5795/}
}