Zhao, Jing, Edwin A.H. Vollebregt, and Cornelis W. Oosterlee. “A Full Multigrid Method for Linear Complementarity Problems Arising from Elastic Normal Contact Problems”. Mathematical Modelling and Analysis 19, no. 2 (April 15, 2014): 216-240. Accessed November 25, 2024. https://jcem.vgtu.lt/index.php/MMA/article/view/3283.