@article{article7cdd623c,
title   = {On existence and concentration of solutions for a class of Hamiltonian systems in 'R POT.N'},
author = {Alves, Claudianor Oliveira and Soares, Sérgio Henrique Monari and Yang, Jianfu},
year = {2003},
doi = {10.1515/ans-2003-0201},
journal   = {Advanced Nonlinear Studies}
}