%0 Journal Article %A M. Filar %T Boundary value problems for the nonhomogeneous Helmholtz equation in a rectangular polyhedral angle of the Euclidean n-space %J Commentationes Mathematicae %D 1991 %P 277-284 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v30i2.6314/ %R 10.14708/cm.v30i2.6314 %G pl %F 10_14708_cm_v30i2_6314