Čiegis, Raimondas, and Vadimas Starikovičius. “A Tool for the Analysis of the Efficiency of a Parallel LU Factorization Algorithm”. Lietuvos Matematikos Rinkinys, vol. 39, no. III, Dec. 1999, pp. 414–418 , https://doi.org/10.15388/LMD.1999.35669.