@article{04109081,
title = {A generalization of multivalent functions with negative coefficients.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {12},
year = {1989},
pages = {493-502},
doi = {10.1155/S0161171289000633},
zbl = {0677.30011},
language = {en},
url = {http://dml.mathdoc.fr/item/04109081}
}
Aouf, M.K. A generalization of multivalent functions with negative coefficients.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 493-502. doi : 10.1155/S0161171289000633. http://gdmltest.u-ga.fr/item/04109081/