TY  - JOUR
AU  - Qi, Feng
TI  - Decreasing properties of two ratios defined by three and four polygamma functions
JO  - Comptes Rendus. Mathématique
PY  - 2022
SP  - 89
EP  - 101
VL  - 360
IS  - G1
PB  - Académie des sciences, Paris
UR  - http://archive.numdam.org/articles/10.5802/crmath.296/
DO  - 10.5802/crmath.296
LA  - en
ID  - CRMATH_2022__360_G1_89_0
ER  -