“Asymptotics of Slowly Changing Solutions to Second Order Binomial Differential Equations With Rapidly Varying Nonlinearities”. Neliniini Kolyvannya 19, no. 4 (December 29, 2016): 458–475. Accessed December 8, 2025. https://twinhead.imath.kiev.ua/index.php/nosc/article/view/842.