@article{1183529919,
author = {Keller, Herbert B.},
title = {Nonexistence and uniqueness of positive solutions of nonlinear eigenvalue problems},
journal = {Bull. Amer. Math. Soc.},
volume = {74},
number = {6},
year = {1968},
pages = { 887-891},
language = {en},
url = {http://dml.mathdoc.fr/item/1183529919}
}
Keller, Herbert B. Nonexistence and uniqueness of positive solutions of nonlinear eigenvalue problems. Bull. Amer. Math. Soc., Tome 74 (1968) no. 6, pp. 887-891. http://gdmltest.u-ga.fr/item/1183529919/