Ding, Z. and Kartsatos, A. G. (1995) “$p$-regular mappings and alternative results for perturbations of $m$-accretive operators in Banach spaces”, Topological Methods in Nonlinear Analysis, 5(2), pp. 291–304. Available at: https://apcz.umk.pl/TMNA/article/view/TMNA.1995.020 (Accessed: 22 July 2024).