Singular differential equation is investigated. Here is Lipschitz continuous on and has at least two zeros 0 and . The function is continuous on and has a positive continuous derivative on and . An asymptotic formula for oscillatory solutions is derived.
Irena Rachůnková. Lukáš Rachůnek. "Asymptotic Formula for Oscillatory Solutions of Some Singular NonlinearDifferential Equation." Abstr. Appl. Anal. 2011 (SI1) 1 - 9, 2011. https://doi.org/10.1155/2011/981401