@article{PORMA_2006__63_2_45081,
     author = {Ramos, Miguel and Soares, S\'ergio H.M.},
     title = {On the concentration of solutions of singularly perturbed {Hamiltonian} systems in .},
     journal = {Portugaliae mathematica},
     pages = {157--171},
     publisher = {mathdoc},
     volume = {63},
     number = {2},
     year = {2006},
     zbl = {1176.35062},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_2006__63_2_45081/}
}