@misc{indiciaed0df872b88b9, title = {An implementation of the look-ahead Lanczos algorithm for non-Hermitian matrices, part 2}, author = {Freund, Roland W. and Nachtigal, Noel M.}, year = {1990}, url = {https://ntrs.nasa.gov/citations/19920001094}, note = {Source identifier: 19920001094} }