1.
Shchegolev SA. On one class of solutions of a countable quasilinear system of differential equations with slowly varying parameters. Ukr. Mat. Zhurn. [Internet]. 1998Aug.25 [cited 2024Feb.29];50(8):1121–1128. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4861