1. Aubin, J.-P.: Contingent derivatives of set-valued maps and existence of solutions to nonlinear inclusions and differential inclusions. In: Nachbin, L (ed.) Advances in Mathematics. Supplementary Studies, pp 160–232. Academic Press, New York (1981)
2. Cibulka, R., Fabian, M., Ioffe, A.D.: On primal regularity estimates for single-valued mappings. J. Fixed Point Theory Appl. 17, 187–208 (2015)
3. Cibulka, R., Fabian, M.: On primal regularity estimates for set-valued mappings. J. Math. Anal. Appl. 438, 444–464 (2016)
4. Ekeland, I.: An inverse function theorem in Fréchet spaces. Ann. Inst. H. Poincaré, 28, 91–105 (2011)
5. Fabian, M., Preiss, D.: A generalization of the interior mapping theorem of Clarke and Pourciau. Comment. Math. Univ. Carol. 28, 311–324 (1987)