Zernov, A. E. (2001) “On the Solution of a Singular Cauchy Problem for a First-Order Differential Equation Unsolved with Respect to the Derivative of an Unknown Function”, Ukrains’kyi Matematychnyi Zhurnal, 53(2), pp. 258-262. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4243 (Accessed: 21May2024).