Reginald P. Tewarson. The Crout reduction for sparse matrices. Comput. J., 12(2):158-159, 1969. [doi]
@article{Tewarson69a, title = {The Crout reduction for sparse matrices}, author = {Reginald P. Tewarson}, year = {1969}, doi = {10.1093/comjnl/12.2.158}, url = {https://doi.org/10.1093/comjnl/12.2.158}, researchr = {https://researchr.org/publication/Tewarson69a}, cites = {0}, citedby = {0}, journal = {Comput. J.}, volume = {12}, number = {2}, pages = {158-159}, }