TY  - JOUR
AU  - Bshouty, D.
AU  - Hengartner, W.
AU  - Schober, G.
TI  - Estimates for the Koebe Constant and the Second Coefficient for Some Classes of Univalent Functions
JO  - Canadian journal of mathematics
PY  - 1980
SP  - 1311
EP  - 1324
VL  - 32
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-101-9/
DO  - 10.4153/CJM-1980-101-9
ID  - 10_4153_CJM_1980_101_9
ER  -