@article{MM2_1970__2_154005,
     author = {Norman Bazley and Bruno Zwahlen},
     title = {A {Branch} of positive solutions of nonlinear {Eigenvalue} problems.},
     journal = {Manuscripta mathematica},
     pages = {365--374},
     publisher = {mathdoc},
     volume = {2},
     year = {1970},
     zbl = {0192.49501},
     url = {http://geodesic.mathdoc.fr/item/MM2_1970__2_154005/}
}