V. V. Vasil'ev, S. I. Piskarev, N. Yu. Selivanova, “Integrated Semigroups and $C$-Semigroups and Their Applications”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 131 (2017), 3–109; J. Math. Sci. (N. Y.), 230:4 (2018), 513–646
N. Yu. Selivanova, M. V. Shamolin, “Local solvability of some problem with free border”, Vestnik Samarskogo Gosudarstvennogo Universiteta. Estestvenno-Nauchnaya Seriya, 2011, no. 8(89), 86–94