1. Felippa CA, Nonlinear finite element methods, ASEN 5017, course material, http://kaswww.colorado.edu/courses.d/NFEMD/; Spring 1999.
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3. An introduction to dynamic relaxation;Day;The Engineer,1965
4. Convergence rates of iterative treatments of partial differential equations;Frankel;Mathl Tabl Natn Res Coun,1950
5. Discussion on dynamic relaxation;Welsh;Proc Instn Civ Engrs,1967