[1]
S. F. Buslaeva, “On the Poincaré theorem with asymptotically periodic coefficients”, Ukr. Mat. Zhurn., vol. 50, no. 9, pp. 1262–1267, Sep. 1998, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4842