Chen, Bochao; Li, Yong; Yang, Xue Periodic solutions to nonlinear wave equation with \(X\)-dependent coefficients under the general boundary conditions. (English) Zbl 1418.35269 J. Dyn. Differ. Equations 31, No. 1, 321-368 (2019). MSC: 35L71 35L20 35B10 37K55 PDFBibTeX XMLCite \textit{B. Chen} et al., J. Dyn. Differ. Equations 31, No. 1, 321--368 (2019; Zbl 1418.35269) Full Text: DOI arXiv
Chen, Bochao; Gao, Yixian; Li, Yong Construction of periodic solutions for nonlinear wave equations by a para-differential method. (English) Zbl 1394.35283 Taiwanese J. Math. 21, No. 5, 1057-1097 (2017). MSC: 35L71 35B10 35S50 PDFBibTeX XMLCite \textit{B. Chen} et al., Taiwanese J. Math. 21, No. 5, 1057--1097 (2017; Zbl 1394.35283) Full Text: DOI Euclid