Zayats V. Two approaches to the construction of optimal second-order numerical methods and their application to the analysis of oscillatory nonlinear systems . Dopov. Nac. akad. nauk Ukr. [Internet]. 2025 Mar. 24 [cited 2026 Apr. 19];(1):37-42. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/17406