%0 Journal Article %A E. A. Volkov %T Criterion of Solvability for Boundary Value Problems for the Laplace and Poisson Equations on Special Triangles and a~Rectangle in Algebraic Polynomials %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 122-136 %V 227 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1999_227_a7/ %G ru %F TM_1999_227_a7