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- [41] QUASI-PERIODIC SOLUTIONS FOR NONLINEAR WAVE EQUATION WITH LIOUVILLEAN FREQUENCY DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B, 2021, 26 (07): : 3479 - 3490
- [49] Time-periodic solutions to a nonlinear wave equation with periodic or anti-periodic boundary conditions PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 2009, 465 (2103): : 895 - 913