?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Facta.bibl.u-szeged.hu%2F42687%2F&rft.title=Existence+of+weak+quasi-periodic+solutions+for+a+second+order+Hamiltonian+system+with+damped+term+via+a+PDE+approach&rft.creator=+Zhang+Xingyong&rft.creator=+Wang+Liben&rft.date=2016&rft.type=Foly%C3%B3irat&rft.type=NonPeerReviewed&rft.format=part&rft.language=hu&rft.identifier=http%3A%2F%2Facta.bibl.u-szeged.hu%2F42687%2F1%2Fejqtde_2016_109_001-014.pdf&rft.identifier=+++Zhang+Xingyong%3B++Wang+Liben%3A+++Existence+of+weak+quasi-periodic+solutions+for+a+second+order+Hamiltonian+system+with+damped+term+via+a+PDE+approach.++(2016)+++