Komleva TA, Plotnikov AV, Skripnik NV. Differential equations with set-valued solutions. Ukr. Mat. Zhurn. [Internet]. 2008 Oct. 25 [cited 2025 Dec. 5];60(10):1326–1337. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3247