%0 Journal Article %A B. K. Turmetov %T On Smoothness of a~Solution to a~Boundary Value Problem with Fractional Order Boundary Operator %J Matematičeskie trudy %D 2004 %P 189-199 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2004_7_1_a6/ %G ru %F MT_2004_7_1_a6