@article{AIHPC_2018__35_2_417_0,
     author = {Birindelli, Isabeau and Galise, Giulio and Ishii, Hitoshi},
     title = {A family of degenerate elliptic operators: {Maximum} principle and its consequences},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {417--441},
     publisher = {Elsevier},
     volume = {35},
     number = {2},
     year = {2018},
     doi = {10.1016/j.anihpc.2017.05.003},
     mrnumber = {3765548},
     zbl = {1390.35079},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2017.05.003/}
}