%0 Journal Article %A Rabinowitz, Paul H. %T Nonlinear eigenvalue problems for elliptic partial differential equations %J Séminaire Jean Leray %Z talk:3 %D 1972-1973 %P 1-5 %N 4 %I Collège de France %U http://www.numdam.org/item/SJL_1972-1973___4_A3_0/ %G en %F SJL_1972-1973___4_A3_0