1. Nonlinear Semigroups and Evolution Equations;Barbu,1970
2. Nonlinear equations of evolution;Browder;Ann. of Math.,1964
3. Nonlinear initial value problems;Browder;Ann. of Math.,1965
4. Qualitative Methods in Mathematical Analysis;El'sgol'c;Amer. Math. Soc. Transl. of Mathematical Monographs,1964
5. Functional Differential Equations;Hale,1971