@article{SEDP_1974-1975____A13_0,
     author = {Lasry, J. M. and Robert, R.},
     title = {Degr\'e et th\'eor\`emes de point fixe pour les fonctions multivoques ; applications},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:14},
     pages = {1--21},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1974-1975},
     mrnumber = {400285},
     zbl = {0307.47050},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1974-1975____A13_0/}
}