1.
Dudnytskyi PM, Petryshyn RI, Samoilenko AM. Reducibility of a nonlinear oscillation system with pulse influence in the neighborhood of an integral manifold. Ukr. Mat. Zhurn. [Internet]. 2004Aug.25 [cited 2024Nov.22];56(8):1076–1094. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3823