%0 Journal Article %A K. I. Beidar %A %T Applying the density theorem for derivations to range inclusion problems %J Studia Mathematica %D 2000 %P 93-100 %V 138 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-138-1-93-100/ %R 10.4064/sm-138-1-93-100 %G en %F 10_4064_sm_138_1_93_100