%0 Journal Article %A Bouali, Said %A Bouhafsi, Youssef %T On the range-kernel orthogonality of elementary operators %J Mathematica Bohemica %D 2015 %P 261-269 %V 140 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2015.144393/ %R 10.21136/MB.2015.144393 %G en %F 10_21136_MB_2015_144393