%0 Journal Article %A V. R. Kireitov %T The Dirichlet problem for the equation $\Delta^{1/2}u=f$ in a domain with a compact regular boundary %J Doklady Akademii Nauk %D 1991 %P 896-899 %V 321 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_321_5_a5/ %G ru %F DAN_1991_321_5_a5