@article{10_21136_CMJ_1996_127289,
     author = {Bonafede, Salvatore},
     title = {A weak maximum principle and estimates of ${\rm ess}\sup\sb \Omega u$ for nonlinear degenerate elliptic equations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {259--269},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1996},
     doi = {10.21136/CMJ.1996.127289},
     mrnumber = {1388615},
     zbl = {0870.35042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1996.127289/}
}