ABSTRACT

Consider the autonomous scalar equation ϵ u ¨ + f ( u ) u ˙ + g ( u ) = 0 https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003072584/300cbf75-7783-4a6f-9796-7cd4d736d320/content/eq1787.tif"/>