@article{05231636, title = {Angle distortion theorems for starlike and spirallike functions with respect to a boundary point.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2006}, year = {2006}, doi = {10.1155/IJMMS/2006/81615}, zbl = {1137.30003}, language = {en}, url = {http://dml.mathdoc.fr/item/05231636} }
Elin, Mark; Shoikhet, David. Angle distortion theorems for starlike and spirallike functions with respect to a boundary point.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/81615. http://gdmltest.u-ga.fr/item/05231636/