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Journal of Global Optimization > 2012 > 54 > 1 > 27-46
Computers and Mathematics with Applications > 2011 > 61 > 9 > 2725-2733
Fixed Point Theory and Applications > 2011 > 2011 > 1 > 1-12
Journal of Global Optimization > 2012 > 54 > 1 > 27-46
Computers and Mathematics with Applications > 2011 > 61 > 9 > 2725-2733
Fixed Point Theory and Applications > 2011 > 2011 > 1 > 1-12