@article{article7026daec,
title   = {Ground state and non-ground state solutions of some strongly coupled elliptic systems},
author = {Bonheure, Denis and Moreira dos Santos, Ederson and Ramos, Miguel},
year = {2012},
doi = {10.1090/s0002-9947-2011-05452-8},
journal   = {Transactions of the American Mathematical Society}
}