@article{AIHPC_2008__25_4_659_0,
     author = {Wang, Changyou and Yu, Yifeng},
     title = {${C}^{1}$-regularity of the {Aronsson} equation in ${R}^{2}$},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {659--678},
     publisher = {Elsevier},
     volume = {25},
     number = {4},
     year = {2008},
     doi = {10.1016/j.anihpc.2007.03.003},
     mrnumber = {2436787},
     zbl = {1179.35124},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2007.03.003/}
}