TY  - JOUR
AU  - Zhong Li
TI  - The lower bound of the maximal dilatation of the Beurling-Ahlfors extension
JO  - Annales Fennici Mathematici
PY  - 1990
SP  - 75
EP  - 81
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1990.1522/
DO  - 10.5186/aasfm.1990.1522
LA  - en
ID  - AFM_1990_15_1_a6
ER  -