On a Random Topological Characteristic for Inclusions with Nonlinear Fredholm Operators: Application to Some Classes of Feedback Control Systems. Adv Syst Sci Appl [Internet]. 2023 Oct. 12 [cited 2025 Apr. 2];23(3):48-65. Available from: https://ijassa.ipu.ru/index.php/ijassa/article/view/1390