Evtukhov VM, KorepanovaЕS. Asymptotic representation of solutions of differential equations with rightly varying nonlinearities. Ukr. Mat. Zhurn. [Internet]. 2017Sep.25 [cited 2024Nov.21];69(9):1198-216. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1770