1. Iterative solution methods;Axelsson,1994
2. Nonnegative Matrices in the Mathematical Sciences, Classics in Applied Mathematics;Berman,1994
3. S. Chang, J. Zhao, M. Yan, Modeling and computation of mean field game with compound carbon dioxide mechanisms. Working paper.
4. The Finite Element Method for Elliptic Problems;Ciarlet,2002
5. Generalized gradients and applications;Clarke;Trans. Am. Math. Soc.,1975