@article{04010863,
title = {On alpha-close-to-convex functions of order beta.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {9},
year = {1986},
pages = {435-438},
doi = {10.1155/S016117128600056X},
zbl = {0623.30017},
language = {en},
url = {http://dml.mathdoc.fr/item/04010863}
}
Nasr, M.A. On alpha-close-to-convex functions of order beta.. International Journal of Mathematics and Mathematical Sciences, Tome 9 (1986) pp. 435-438. doi : 10.1155/S016117128600056X. http://gdmltest.u-ga.fr/item/04010863/