@article{AIHPC_1991__8_5_499_0,
     author = {Urbas, J. I. E.},
     title = {Boundary regularity for solutions of the equation of prescribed {Gauss} curvature},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {499--522},
     publisher = {Gauthier-Villars},
     volume = {8},
     number = {5},
     year = {1991},
     mrnumber = {1136354},
     zbl = {0757.35024},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_1991__8_5_499_0/}
}