Existence of periodic solutions for second order delay differential equations with a singularity of repulsive type Downloads Preview Full PDF SHARE Author(s) Guohua Jia and Shiping Lu Guohua Jia and Shiping Lu Search all author publications Search author on: PubMed Google Scholar Abstract In this paper, the problem of existence of periodic solution is studied for the second order delay differential equation with a singularity of repulsive type About this article Abstract View 3874 Pdf View 658
