1. Cacuci, D. G., Perez, R. B., Protopopescu, V., “Duals and Propagators: A Canonical Formalism for Nonlinear Equations,” J. Math. Phys., 29, 353–361 (1988); see also D. G. Cacuci, R. B. Perez, V. Protopopescu, “Extending Green's Function Formalism to General Nonlinear Equations,” in Proceedings of the IVth Workshop on Nonlinear Evolution Equations and Dynamical Systems, ed. J.J.P. Léon, World Scientific, Singapore, 1988, pp. 87–95.
2. Cacuci, D. G., Protopopescu, V., “Propagators for Nonlinear Systems,” J. Phys. A., (1989), 22 (1989).
3. Coddington, E. A., Levinson, N., Theory of Ordinary Differential Equations, McGraw Hill, New York, 1955.
4. Azmy, Y. Y., Cacuci, D. G., Protopopescu, V., “A Comparison Between the Methods of Decomposition and Propagators for Nonlinear Equations,” unpublished report.
5. Cacuci, D. G., Karakashian, O., “A New Method for Solving the Generalized Burgers-Korteweg-de Vries Equation,” J. Comp. Phys., submitted.