TY  - JOUR
TI  - Using Rolle's Theorem in Exponential Function-Derivative Approximation
JO  - Canadian mathematical bulletin
PY  - 1975
SP  - 755
EP  - 757
VL  - 18
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-131-5/
DO  - 10.4153/CMB-1975-131-5
ID  - 10_4153_CMB_1975_131_5
ER  -