@article{ASNSP_1978_4_5_1_65_0,
     author = {Peletier, L. A. and Serrin, J.},
     title = {Gradient bounds and {Liouville} theorems for quasilinear elliptic equations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {65--104},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 5},
     number = {1},
     year = {1978},
     mrnumber = {481493},
     zbl = {0383.35025},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1978_4_5_1_65_0/}
}