@article{paperid:1009131,
author = {داوودخجسته سالکویه and Toutounian Mashhad, Faezeh},
title = {A PRECONDITIONER FOR THE LSQR ALGORITHM},
journal = {Journal of Applied Mathematics and Informatics},
year = {2008},
volume = {26},
number = {2},
month = {September},
issn = {1598-5857},
pages = {213--222},
			numpages = {9},
keywords = {Least squares problem; the LSQR algorithm;
preconditioner; iterative methods},
}