%0 Journal Article %A Othman, Sadoon Ibrahim %T Nearly equivalent operators %J Mathematica Bohemica %D 1996 %P 133-141 %V 121 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1996.126110/ %R 10.21136/MB.1996.126110 %G en %F 10_21136_MB_1996_126110