@article{article4a4b5383,
title   = {Global properties of a class of overdetermined systems},
author = {Bergamasco, Adalberto Panobianco and Nunes, Wagner Vieira Leite and Zani, Sérgio Luís},
year = {2003},
doi = {10.1016/s0022-1236(02)00055-1},
journal   = {Journal of Functional Analysis}
}