@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/