TY  - JOUR
AU  - Karl-Joachim Wirths
TI  - A proof of the Livingston conjecture for the fourth
 and the fifth coefficient of concave univalent functions
JO  - Annales Polonici Mathematici
PY  - 2004
SP  - 87
EP  - 93
VL  - 83
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap83-1-10/
DO  - 10.4064/ap83-1-10
LA  - en
ID  - 10_4064_ap83_1_10
ER  -