CGMN Revisited: Robust and Efficient Solution of Stiff Linear Systems Derived from Elliptic Partial Differential Equations.

Dan Gordon Rachel Gordon CGMN Revisited: Robust and Efficient Solution of Stiff Linear Systems Derived from Elliptic Partial Differential Equations. 2008 35 ACM Trans. Math. Softw. 3 http://doi.acm.org/10.1145/1391989.1391991 db/journals/toms/toms35.html#GordonG08