Mansimov К. Б. о. On quasi-singular controls in discrete systems with delay. BULLETIN OF PERM UNIVERSITY. MATHEMATICS. MECHANICS. COMPUTER SCIENCE, [S. l.], n. 3 (54), 2021. DOI: 10.17072/1993-0550-2021-3-19-24. Disponível em: http://press.psu.ru/index.php/Math/article/view/4878. Acesso em: 20 may. 2024.