@article{AUM_2010_54_1_a5,
     author = {Zhang, Xingyong and Tang, Xianhua},
     title = {Periodic solutions for second-order {Hamiltonian} systems with a {p-Laplacian}},
     journal = {Annales Universitatis Mariae Curie-Sk{\l}odowska. Mathematica },
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUM_2010_54_1_a5/}
}