Nonlinear second-order periodic boundary value problems

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Positive solutions of nonlinear second-order periodic boundary value problems

Ruyun Ma, Chenghua Gao, and Ruipeng Chen Department of Mathematics, Northwest Normal University, Lanzhou 730070, China Correspondence should be addressed to Ruyun Ma, ruyun [email protected] Received 31 August 2010; Revised 30 October 2010; Accepted 8 November 2010 Academic Editor: Irena Rachůnková Copyright q 2010 Ruyun Ma et al. This is an open access article distributed under the Creative Commons A...

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ژورنال

عنوان ژورنال: Journal of Mathematical Analysis and Applications

سال: 1988

ISSN: 0022-247X

DOI: 10.1016/0022-247x(88)90383-6