@inproceedings{paperid:1006986,
author = {Sal Moslehian, Mohammad and Sadeghi, Ghadir},
title = {PERTURBATION OF CLOSED RANGE OPERATORS},
booktitle = {سی و نهمین کنفرانس ریاضی ایران},
year = {2008},
location = {کرمان, IRAN},
keywords = {Hilbert space; perturbation; Hyers–Ulam stability; closed operator;
semi-Fredholm operator.},
}