@inproceedings{inproceedings1427cb5d,
title   = {Variational characterization of the Fucík spectrum for systems with Laplacian operator},
author = {Rossato, Rafael Antonio and Massa, Eugenio Tommaso},
year = {2013},
publisher = {ICMC-USP},
booktitle   = {ICMC Summer Meeting on Differential Equations}
}