%0 Journal Article %A DUGGAL, B. P. %A KUBRUSLY, C. S. %T PERTURBATION OF BANACH SPACE OPERATORS WITH A COMPLEMENTED RANGE %J Glasgow mathematical journal %D 2017 %P 659-671 %V 59 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708951600046X/ %R 10.1017/S001708951600046X %F 10_1017_S001708951600046X