Dil’na, N. Z. and Ronto, A. M. (2008) “General conditions for the unique solvability of initial-value problem for nonlinear functional differential equations”, Ukrains’kyi Matematychnyi Zhurnal, 60(2), pp. 167–172. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3146 (Accessed: 29March2024).