@article{01046350, title = {On radii of starlikeness and convexity for convolutions of starlike functions.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {403-404}, doi = {10.1155/S0161171297000525}, zbl = {0889.30007}, language = {en}, url = {http://dml.mathdoc.fr/item/01046350} }
Ling, Yi; Ding, Shusen. On radii of starlikeness and convexity for convolutions of starlike functions.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 403-404. doi : 10.1155/S0161171297000525. http://gdmltest.u-ga.fr/item/01046350/