%0 Journal Article %A V. A. Nogin %T The weighted spaces $L^\alpha_{p,r}(\rho_1,\rho_2)$ of differentiable functions of fractional smoothness %J Sbornik. Mathematics %D 1988 %P 209-221 %V 59 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1988_59_1_a10/ %G en %F SM_1988_59_1_a10