Sartabanov Zhaishylyk Almaganbetovich, Omarova Bibigul Zharbolovna, Kerimbekov Akylbek. RESEARCH OF MULTIPERIODIC SOLUTIONS OF PERTURBED LINEAR AUTONOMOUS SYSTEMS WITH DIFFERENTIATION OPERATOR ON THE VECTOR FIELD. СФМН [Интернет]. 4 февраль 2019 г. [цитируется по 5 май 2024 г.];(1):5-13. доступно на: https://journals.nauka-nanrk.kz/physics-mathematics/article/view/1155