Existence of Time Periodic Solutions to Boundary Value Problem of One-dimensional Semilinear Viscoelastic Dynamic Equation with Memory. J. Part. Diff. Eq. [Internet]. 1997 Oct. 1 [cited 2025 Dec. 6];10(1):1-8. Available from: https://www.global-sci.com/index.php/jpde/article/view/3840