Rp. Agarwal et al., Quadratic forms and nonlinear non-resonant singular second order boundary value problems of limit circle type, Z ANAL ANWE, 20(3), 2001, pp. 727-737
New existence results are presented for non-resonant second order singular
boundary value problems
1/p(t)(p(t)y'(t))' + r(t)y(t) = lambdaf(t,y(t)) a.e. on [0,1]}
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where one of the endpoints is regular and the other may be singular or of l
imit circle type.