TY  - JOUR
AU  - E. Neuman
TI  - Wilker and Huygens-type inequalities involving Gudermannian and the inverse Gudermannian functions
JO  - Problemy analiza
PY  - 2017
SP  - 46
EP  - 57
VL  - 6
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PA_2017_6_1_a4/
LA  - en
ID  - PA_2017_6_1_a4
ER  -