@article{article1e714b26,
title   = {Existence and concentration of positive solutions for a class of gradient systems},
author = {Alves, Claudianor Oliveira and Soares, Sérgio Henrique Monari},
year = {2006},
doi = {10.1007/s00030-005-0021-8},
journal   = {Nonlinear Differential Equations and Applications : NoDEA}
}