А.К. Керимбеков, С.Б. Доулбекова. About the solvability of the problem of nonlinear optimization of oscillatory processes with the appearance of special controls. vestmathmcenu [Internet]. 2020 Sep. 30 [cited 2025 May 18];132(3):8-16. Available from: https://bulmathmc.enu.kz/index.php/main/article/view/73