1.
Lakusta LM, Petryshyn RI, Samoilenko AM. Averaging of Boundary-Value Problems with Parameters for Multifrequency Impulsive Systems. Ukr. Mat. Zhurn. [Internet]. 2002Sep.25 [cited 2024Nov.22];54(9):1237-49. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4162