@article{EJDE_2004__2004__a97,
     author = {Le, Vy Khoi and Schmitt, Klaus},
     title = {Sub-supersolution theorems for quasilinear elliptic problems: {A} variational approach},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2004},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a97/}
}