1.
Pelyukh GP, Samoilenko AM. On analytic solutions of nonlinear differential functional equations with nonlinear deviations of arguments. Ukr. Mat. Zhurn. [Internet]. 1999Feb.25 [cited 2024Nov.28];51(2):234–240. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4602