@article{SJL_1972-1973___4_A3_0,
     author = {Rabinowitz, Paul H.},
     title = {Nonlinear eigenvalue problems for elliptic partial differential equations},
     journal = {S\'eminaire sur les \'equations aux d\'eriv\'ees partielles},
     note = {talk:3},
     pages = {1--5},
     year = {1972-1973},
     publisher = {Coll\`ege de France},
     number = {4},
     language = {en},
     url = {https://www.numdam.org/item/SJL_1972-1973___4_A3_0/}
}