1. H. T. Banks, “Approximation of nonlinear functional differential equation control systems,” J. Optimization Theory and Appl., v. 29, 1979, pp. 383–408.
2. H. T. Banks and J. A. Burns, “An abstract framework for approximate soLutions to optimal control problems governed by hereditary systems,” in “International Conference on Differential Equations” (H. A. AntosiewiczEd.), Academic Press, New York 1975, pp. 10–25.
3. H. T. Banks and J. A. Burns, “Hereditary control problems: Numerical methods based on averaging approximations,” SIAM J. Control Optim., v. 16, 1978, pp. 169–208.
4. H. T. Banks, J. A. Burns and E. M. Cliff, “A comparison of numerical methods for identification and optimization problems involving control systems with delays,” Lefschetz Center for Dynamical Systems, Brown University, Providence, R. L, Technical Report 79–7, 1976.
5. H. T. Banks, J. A. Burns, E. M. Cliff and P. R. Thrift, “Numerical soLutions of hereditary control problems via an approximation technique,” Lefschetz Center for Dynamical Systems, Brown University, Providence, R. I., Technical Report 75–6, 1975.