“Adomian’s Decomposition Method in the Theory of Autonomous Nonlinear Boundary-Value Problems With Switchings at Not Fixed Instants of Time”. Neliniini Kolyvannya 27, no. 2 (June 29, 2024): 279–294. Accessed December 6, 2025. https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1146.