ABSTRACT
Among the methods that can be adopted to approximate asymptotically and compute zeros of solutions of second-order linear oscillatory differential equations, () y ′ ′ + q ( x ) y = 0 , https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003072584/300cbf75-7783-4a6f-9796-7cd4d736d320/content/eq3631.tif"/>
