Plotnikov, A. V., & Skripnik, N. V. (2013). Conditions for the Existence of Local Solutions of Set-Valued Differential Equations with Generalized Derivative. Ukrains’kyi Matematychnyi Zhurnal, 65(10), 1350–1362. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/2514