1. Bellman, R. and J. Casti, ‘Differential Quadrature and Long Term Integration’, Journal of Mathematical Analysis and Applications 34 (1970), 235.
2. Ahlberg, J. H., E. N. Nilson, and J. L. Walsh, The Theory of Splines and Their Applications, Academic Press, Inc., 1967.
3. Bellman, R., B.G. Kashef, and R. Vasudevan, ‘Splines via Dynamic Programming’, Journal of Mathematical Analysis and Applications 38 (1972), 47.
4. Bellman, R., R. Kalaba, and J. Lockett, Numerical Inversion of the Laplace Transform, American Elsevier Publishing Co., Inc., New York, 1966.
5. Bellman, R., H. Kagiwada, R. Kalaba, and M. Prestrud, Invariant Imbedding and Time Dependent Transport Processes, American Elsevier Publishing Co., Inc., New York, 1964.