Mentynskyi, S. M. (2005) “Two-Sided Approximation of Solutions of a Multipoint Problem for an Ordinary Differential Equation with Parameters”, Ukrains’kyi Matematychnyi Zhurnal, 57(1), pp. 125–130. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3579 (Accessed: 11May2024).