%0 Journal Article %A Hermann, Martin, Saravi, Masoud, Ebrahimi Khah, Hadi %T Analytical study of nonlinear oscillatory systems using the Hamiltonian approach technique %J Journal of Theoretical and Applied Physics %V 0 %N 3 %P 0-0 %D 2014 %R 10.1007/s40094-014-0133-9 %U https://sanad.iau.ir/fa/Article/788594