1. Some comparisons of software packages for large sparse linear systems;Eisenstat,1979
2. ITPACK 2A: a Fortran implementation of adaptive accelerated iterative methods for solving large sparse linear systems;Grimes,1980
3. ITPACK 2.0, user's guide;Grimes,1979
4. ITPACK report: adaptive iterative algorithms using symmetric sparse storage;Grimes,1978
5. Applied Iterative Methods;Hageman,1981