Olefir, E.I. and Tarasenko, A.A. (2005) “On a class of finite-dimensional perturbations of dissipative Volterra operators”, Methods of Functional Analysis and Topology, 11(1), pp. 65–72. Available at: https://zen.imath.kiev.ua/index.php/mfat/article/view/268 (Accessed: 16 December 2025).