%0 Journal Article %A V. I. Polovinkin %T Sequences of Errors with Boundary Layer in Spaces of Univariate Functions with Fractional Riemann--Liouville Derivatives %J Matematičeskie trudy %D 2002 %P 178-202 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2002_5_2_a6/ %G ru %F MT_2002_5_2_a6