%N 109
%K Gyenge kvĂĄzi periodikus megoldĂĄs, Hamiltoni rendszer,
%D 2016
%O Bibliogr.: p. 12-14.
%L acta42687
%P 1-14
%A  Zhang Xingyong
%A  Wang Liben
%T Existence of weak quasi-periodic solutions for a second order Hamiltonian system with damped term via a PDE approach