Chaikovs’kyiA. V. “Investigation of One Linear Differential Equation by Using Generalized Functions With Values in a Banach Space”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 5 (May 25, 2001): 688-693. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4290.