%0 Journal Article %A E. Śliwiński %T The Dirichlet and Neumann problem for Laplace equation in an angular region %J Commentationes Mathematicae %D 1974 %P 489-498 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i2.5795/ %R 10.14708/cm.v17i2.5795 %G pl %F 10_14708_cm_v17i2_5795