@article{RSMUP_1972__47__331_0,
     author = {Dow, M. A. and V\'yborn\'y, R.},
     title = {Maximum principles for some quasilinear second order partial differential equations},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {331--351},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {47},
     year = {1972},
     mrnumber = {320500},
     zbl = {0247.35038},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1972__47__331_0/}
}