%0 Journal Article %A K. Kapturkiewicz %T On the mixed problem for the Poisson equation in the quart-plane %J Commentationes Mathematicae %D 1977 %P 97-109 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v20i1.5886/ %R 10.14708/cm.v20i1.5886 %G pl %F 10_14708_cm_v20i1_5886