PageHeader : Funkcialaj Ekvacioj, 10 (1967), 175-203 Title : Hukuhara'sProblem with Lags AuthorInfo : By Setuzo YOSIDA AuthorInfo : (Musashi Institute of Technology) section : Introduction. section : 1. Problem for ordinary differential equations. subsection : 1. 1 Existence of solution. subsection : 1. 2 Uniqueness of solution. subsection : 1. 3 Stability of solution with respect to the lag function $\tau$ . subsection : 1. 4 Stability of solution with repsect to $u_{0}$ and /. subsection : 1. 5 Stability of solution with respect to $t_{0}$ . We assume: section : 2. Problem for semi-separate partial differential equations: Existence of solution. subsection : 2. 1 subsection : 2. 2. Proof of the theorem. subsection : 2. 3 Proof (continued). subsection : 2. 4 Proof of inductive hypotheses. subsection : 2. 5 Uniform convergence of the sequence. subsection : 2. 6 Relaxation of the conditions. section : 3. Uniqueness and stability of solution for semi-separate equations. subsection : 3. 1 Uniqueness of solution. subsection : 3. 2 Stability of solution with respect to $\varphi$ . subsection : 3. 3 Stability of solution with respect to f. subsection : 3.4 Stability of solution with respect to $\tau$ . subsection : 3. 5 Stability of solution with respect to T. section : 4. Problem for hyperbolic equations in two independent variables: Existence of solution. subsection : 4. 1 subsection : 4. 2 Proof. section : 5. Uniqueness and stability of solution for hyperbolic equations. subsection : 5. 1 Uniqueness of solution. subsection : 5. 2 Stability of solution with respect to $\varphi$ and $\phi$ . subsection : 5. 3 Stability of solution with respect to f. subsection : 5. 4 Stability of solution with respect to $(t_{0}, \mathrm{r}_{0})$ and $u_{0}$ . subsection : 5. 5 Stability of solution with respect to $\eta$ . subsection : 5. 6 Stability of solution with respect to T, X, Y (or S). section : 6. Problem for equations of evolution. subsection : 6. 1 subsection : 6. 2 Proof. section : References