1. Amann H., Periodic solutions of semilinear parabolic equations, In: Nonlinear Analysis (collection of papers in honor of Erich H. Rothe), Academic Press, New York, 1978, 1–29
2. Bader R., Kryszewski W., On the solution sets of differential inclusions and the periodic problem in Banach spaces, Nonlinear Anal., 2003, 54(4), 707–754
3. Bothe D., Flow invariance for perturbed nonlinear evolution equations, Abstr. Appl. Anal., 1996, 1(4), 417–433
4. Brézis H., Nirenberg L., Characterizations of the ranges of some nonlinear operators and applications to boundary value problems, Ann. Scuola Norm. Sup. Pisa Cl. Sci., 1978, 5(2), 225–326
5. Chen Y.Z., The generalized degree for compact perturbations of m-accretive operators and applications, Nonlinear Anal., 1989, 13(4), 393–403