@Article{NM-15-40,
author = {Z. Li and G. Gu},
title = {Restarted FOM augmented with Ritz vectors for shifted linear systems},
journal = {Numerical Mathematics, a Journal of Chinese Universities},
year = {2006},
volume = {15},
number = {1},
pages = {40--49},
abstract = {},
issn = {},
doi = {https://doi.org/},
url = {http://global-sci.org/intro/article_detail/nm/10083.html}
}