[1]
A. A. Elnazarov, “A criterion of exponential dichotomy for a countable system of differential equations with quasiperiodic coefficients”, Ukr. Mat. Zhurn., vol. 49, no. 12, pp. 1717–1722, Dec. 1997, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5179