1. V. G. Lisienko, V. V. Volkov, and Yu. K. Malikov, Improvement of Fuel Usage and Control of Heat Exchange in Metallurgical Furnaces [in Russian], Moscow (1988).
2. A. A. Samarskii and A. V. Gulin, Numerical Methods [in Russian], Moscow (1989).
3. N. S. Bakhvalov, N. P. Zhidkov, and G. M. Kobel'kov, Numerical Methods [in Russian], Moscow (1987).
4. J. C. Sabonnadiere and J. L. Coulomb, Finite Element Method in CAD, Springer-Verlag (1987).
5. P. M. Gresho, ?Time integration and conjugate gradient method for incompressible Navier-Stokes equations,? in: Finite Elements in Water Resources, Proc. 6th International Conference, Lisbon, Portugal-Berlin (1986).