Necessary and sufficient conditions for a class of functions and their reciprocals to be logarithmically completely monotonic

Yu-Pei Lv, Tian-Chuan Sun, Yu-Ming Chu
2011 Journal of Inequalities and Applications  
We prove that the function 2010 Mathematics Subject Classification: 33B15; 26A48.
doi:10.1186/1029-242x-2011-36 fatcat:57s3v4sfcjazdewqw6nfyyzdm4