@article{ASNSP_1969_3_23_2_331_0,
     author = {Ne\v{c}as, Jind\v{r}ich},
     title = {Sur l'alternative de {Fredholm} pour les op\'erateurs non-lin\'eaires avec applications aux probl\`emes aux limites},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {331--345},
     publisher = {Scuola normale superiore},
     volume = {3e s{\'e}rie, 23},
     number = {2},
     year = {1969},
     mrnumber = {267430},
     zbl = {0187.08103},
     language = {fr},
     url = {http://www.numdam.org/item/ASNSP_1969_3_23_2_331_0/}
}