%0 Journal Article %A Dimovski, Ivan %A Tsankov, Yulian %T Nonlocal Boundary Value Problems for Two-Dimensional Potential Equation on a Rectangle %J Mathematics and Education in Mathematics %D 2010 %P 105-113 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MEM_2010_39_1_a6/ %G en %F MEM_2010_39_1_a6