Some new results for singular problems with sign changing nonlinearities
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摘要
We present some general existence theorems for second-order boundary value problems with sign changing nonlinearities. Both the upper and lower solution approach and the growth restriction approach are discussed.
论文关键词：34B15,Singular boundary value problems,Upper and lower solutions,Growth restriction,Nonlinear alternative
论文评审过程：Received 28 January 1999, Available online 17 December 1999.
论文官网地址：https://doi.org/10.1016/S0377-0427(99)00239-3
