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- [33] Asymptotic solution of a singularly perturbed set of functional-differential equations of Riccati type encountered in the optimal control theory NODEA-NONLINEAR DIFFERENTIAL EQUATIONS AND APPLICATIONS, 1998, 5 (04): : 491 - 515
- [34] Asymptotic solution of a singularly perturbed set of functional-differential equations of Riccati type encountered in the optimal control theory Nonlinear Differential Equations and Applications NoDEA, 1998, 5 : 491 - 515