1. Dynamic Programming;Bellman,1957
2. Applied Dynamic Programming;Bellman,1962
3. Quasilinearization and Nonlinear Boundary Value Problems;Bellman,1965
4. Wengert's Numerical Method for Partial Derivatives, Orbit Determination and Quasilinearization;Bellman;Commun. ACM,1965
5. Invariant Imbedding and the Reduction of Two-Point Boundary Value Problems to Initial Value Problems;Bellman,1960