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"Necessary and sufficient conditions for functions involving the tri- and ..."
Feng Qi, Bai-Ni Guo (2010)
- Feng Qi, Bai-Ni Guo:
Necessary and sufficient conditions for functions involving the tri- and tetra-gamma functions to be completely monotonic. Adv. Appl. Math. 44(1): 71-83 (2010)
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