1. Engineering Analysis;Crandall,1956
2. The Method of Weighted Residuals and Variational Principles;Finlayson,1972
3. Approximations to functions and to the solution of differential equations;Frazer;Technical Report 1799, Aero. Research Committee Report,1937
4. Technishe Dynamik;Biezeno,1933
5. Finite elements versus finite volumes. Is there a choice?;Zienkiewicz,1991