%0 Journal Article %A Kretschmer, Hans %A Triebel, Hans %T $L_p$- theory for a class of singular elliptic differential operators, II %J Czechoslovak Mathematical Journal %D 1976 %P 438-447 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101417/ %R 10.21136/CMJ.1976.101417 %G en %F 10_21136_CMJ_1976_101417