Axelsson, Owe, Maya Neytcheva, and Zhao-Zheng Liang. “Parallel Solution Methods and Preconditioners for Evolution Equations”. Mathematical Modelling and Analysis 23, no. 2 (April 18, 2018): 287-308. Accessed November 25, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/1424.