%0 Journal Article %A D. F. Kalinichenko %T On the density of functions in $C^\infty(\overline\Omega)$ in the weight space $W_{p,\sigma}^m(\Omega)$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1967 %P 119-129 %V 89 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1967_89_a8/ %G ru %F TM_1967_89_a8