Smail Djebali, Ouiza saifi, Samira Zahar
Abstract: Submitted July 22, 2012. Published March 17, 2013.
Math Subject Classifications: 34B15, 34B18, 34B40.
Key Words: Positive solution; variable coefficient;
lower and upper solutions; singular problem; half-line;
multiplicity; uniqueness; fixed point index.
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Smaïl Djebali Laboratoire "Théorie du Point Fixe et Applications" École Normale Supéerieure, Kouba B.P. 92, 16050 Kouba. Algiers, Algeria email: djebali@ens-kouba.dz, djebali@hotmail.com |
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Ouiza Saifi Department of Economics, Faculty of Economic and Management Sciences Algiers University 3, Algeria email: saifi_kouba@yahoo.fr | |
Samira Zahar Department of Mathematics A.E. Mira University, 06000. Bejaia, Algeria email: zahar_samira@yahoo.fr |
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