Akhmetov MU, Seilova RD. Rank criteria for the controllability of a boundary-value problem for a linear system of integro-differential equations with pulse influence. Ukr. Mat. Zhurn. [Internet]. 2000Jun.25 [cited 2024Nov.25];52(6):723–730. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4466