Ma, Mu; Ji, Shuguan Time periodic solutions of one-dimensional forced Kirchhoff equations with \(x\)-dependent coefficients under spatial periodic conditions. (English) Zbl 1439.35023 Anal. Math. Phys. 9, No. 4, 2345-2366 (2019). MSC: 35B10 35L71 35L20 35R09 37K55 PDFBibTeX XMLCite \textit{M. Ma} and \textit{S. Ji}, Anal. Math. Phys. 9, No. 4, 2345--2366 (2019; Zbl 1439.35023) Full Text: DOI
Liu, Zhenjie Small amplitude periodic solutions in time for one-dimensional nonlinear wave equations. (English) Zbl 1397.35153 Anal. Math. Phys. 7, No. 3, 219-232 (2017). MSC: 35L71 35B10 58C15 37K55 35L20 PDFBibTeX XMLCite \textit{Z. Liu}, Anal. Math. Phys. 7, No. 3, 219--232 (2017; Zbl 1397.35153) Full Text: DOI
Gentile, Guido; Procesi, Michela Periodic solutions for a class of nonlinear partial differential equations in higher dimension. (English) Zbl 1172.35065 Commun. Math. Phys. 289, No. 3, 863-906 (2009). MSC: 35Q53 35Q55 35B10 PDFBibTeX XMLCite \textit{G. Gentile} and \textit{M. Procesi}, Commun. Math. Phys. 289, No. 3, 863--906 (2009; Zbl 1172.35065) Full Text: DOI arXiv
Berti, Massimiliano; Bolle, Philippe Cantor families of periodic solutions for completely resonant wave equations. (English) Zbl 1160.35476 Front. Math. China 3, No. 2, 151-165 (2008). MSC: 35L70 37K50 58E05 35B10 37K55 PDFBibTeX XMLCite \textit{M. Berti} and \textit{P. Bolle}, Front. Math. China 3, No. 2, 151--165 (2008; Zbl 1160.35476) Full Text: DOI
Berti, Massimiliano; Bolle, Philippe Cantor families of periodic solutions for wave equations via a variational principle. (English) Zbl 1132.35063 Adv. Math. 217, No. 4, 1671-1727 (2008). MSC: 35L70 37K50 58E05 35B10 37K55 35L20 PDFBibTeX XMLCite \textit{M. Berti} and \textit{P. Bolle}, Adv. Math. 217, No. 4, 1671--1727 (2008; Zbl 1132.35063) Full Text: DOI
Berti, Massimiliano; Bolle, Philippe Cantor families of periodic solutions for completely resonant nonlinear wave equations. (English) Zbl 1103.35077 Duke Math. J. 134, No. 2, 359-419 (2006). MSC: 35L70 35K50 58E05 37K55 35L20 35B10 PDFBibTeX XMLCite \textit{M. Berti} and \textit{P. Bolle}, Duke Math. J. 134, No. 2, 359--419 (2006; Zbl 1103.35077) Full Text: DOI arXiv