@article{sunagua2017new, author = "P. Suñagua and A. R. Oliveira", title = "A new approach for finding a basis for the splitting preconditioner for linear systems from interior point methods", year = 2017, journal = "Computational Optimization and Applications", publisher = "Springer", volume = 67, number = 1, pages = "111-127", keywords = "linear programming, splitting preconditioner", url = "https://link.springer.com/article/10.1007/s10589-016-9887-0" }