%0 Journal Article
%T An Approximation Approach to Eigenvalue Intervals for Singular Boundary Value Problems with Sign Changing and Superlinear Nonlinearities
%A L¨¹ Haishen
%A Agarwal RaviP
%A O'Regan Donal
%J Boundary Value Problems
%D 2009
%I Springer
%X This paper studies the eigenvalue interval for the singular boundary value problem , where may be singular at ,   , and may change sign and be superlinear at . The approach is based on an approximation method together with the theory of upper and lower solutions.
%U http://www.boundaryvalueproblems.com/content/2009/103867