@article{ASNSP_2011_5_10_3_645_0,
     author = {Song, Qiaozhen and Lu, Ying and Shen, Jianzhong and Wang, Lihe},
     title = {Regularity of a class of degenerate elliptic equations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {645--667},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 10},
     number = {3},
     year = {2011},
     mrnumber = {2905381},
     zbl = {1250.35115},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_2011_5_10_3_645_0/}
}