@article{05237138,
title = {Harnack inequalities: an introduction.},
journal = {Boundary Value Problems [electronic only]},
volume = {2007},
year = {2007},
doi = {10.1155/2007/81415},
zbl = {1144.35002},
language = {en},
url = {http://dml.mathdoc.fr/item/05237138}
}
Kassmann, Moritz. Harnack inequalities: an introduction.. Boundary Value Problems [electronic only], Tome 2007 (2007) . doi : 10.1155/2007/81415. http://gdmltest.u-ga.fr/item/05237138/