1. Ibiejugba, M. A.,On the Ritz Penalty Method for Solving the Control of a Diffusion Equation, Journal of Optimization Theory and Applications, Vol. 39, pp. 431?449, 1983.
2. Curtain, R., andPritchard, A.,Functional Analysis in Modern Applied Mathematics, Academic Press, New York, New York, 1977.
3. Ibiejugba, M. A.,Computing Methods in Optimal Control, PhD Thesis, University of Leeds, Leeds, England, 1980.
4. Ibiejugba, M. A., andOlufeagba, B. J.,On the Convergence Rate Analysis of the Multiplier Method (to appear).
5. Ogunmoyela, K., andIbiejugba, M. A.,Complementary Variational Principles for a Climatological Model, Analele Stiintifice ale Universitatii ?Al. I. Cuza? din Iasi, Vol. 28, pp. 171?176, 1982.