@article{10_21136_CMJ_1969_100893,
     author = {Ne\v{c}as, Jind\v{r}ich},
     title = {Les \'equations elliptiques non lin\'eaires},
     journal = {Czechoslovak Mathematical Journal},
     pages = {252--274},
     year = {1969},
     volume = {19},
     number = {2},
     doi = {10.21136/CMJ.1969.100893},
     mrnumber = {0252829},
     zbl = {0193.39202},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100893/}
}