Agamaliyeva АИк. Necessary Optimality Conditions in the One Discrete Boundary Problem of Population Dynamics Control. Вест. ПГУ. Мат. Мех. Инф. [Internet]. 2022 Jul. 5 [cited 2024 May 20];(2 (57):5-13. Available from: http://press.psu.ru/index.php/Math/article/view/5418