@article{05142158,
title = {A new proof of Harnack's inequality for elliptic partial differential equations in divergence form.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2007},
year = {2007},
zbl = {1162.35332},
language = {en},
url = {http://dml.mathdoc.fr/item/05142158}
}
Crescimbeni, Raquel; Forzani, Liliana; Perini, Alejandra. A new proof of Harnack's inequality for elliptic partial differential equations in divergence form.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2007 (2007) . http://gdmltest.u-ga.fr/item/05142158/