@article{ASNSP_2010_5_9_2_385_0,
     author = {DiBenedetto, Emmanuele and Gianazza, Ugo and Vespri, Vincenzo},
     title = {Forward, backward and elliptic {Harnack} inequalities for non-negative solutions to certain singular parabolic partial differential equations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {385--422},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 9},
     number = {2},
     year = {2010},
     mrnumber = {2731161},
     zbl = {1206.35053},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_2010_5_9_2_385_0/}
}