@article{01641529,
title = {Sub-supersolutions and the existence of extremal solutions in noncoercive variational inequalities.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {2},
year = {2001},
zbl = {1006.35043},
language = {en},
url = {http://dml.mathdoc.fr/item/01641529}
}
Le, Vy Khoi. Sub-supersolutions and the existence of extremal solutions in noncoercive variational inequalities.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 2 (2001) . http://gdmltest.u-ga.fr/item/01641529/