SLYUSARCHUK, V. Yu. Conditions for Almost Periodicity of Bounded Solutions of Nonlinear Differential Equations Unsolved with Respect to the Derivative. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 3, p. 384–393, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2140. Acesso em: 14 apr. 2025.