On the solutions of the nonlinear eigenvalue problem $Lu + \lambda b\left( x \right)u = g\left( {x,\,u} \right)$

Edward T. Dean, Paul L. Chambré
1970 Bulletin of the American Mathematical Society  
doi:10.1090/s0002-9904-1970-12450-8 fatcat:qcqsxeexnrdprj7o4jx7yidwxm