@article{MTA_2019_4_1_a5,
     author = {Giuseppe Di Fazio,Maria S. Fanciullo,Pietro Zamboni},
     title = {Harnack {Inequality} and {Smoothness} for some {Non} {Linear} {Degenerate} {Elliptic} {Equations}},
     journal = {Minimax theory and its applications},
     year = {2019},
     volume = {4},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MTA_2019_4_1_a5/}
}