Il’chenkoY. V. and Chaikovs’kyiA. V. (2011) “Cauchy problem for a differential equation in the Banach space with generalized strongly positive operator coefficient”, Ukrains’kyi Matematychnyi Zhurnal, 63(8), pp. 1053-1070. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2784 (Accessed: 27July2024).