@article{05036122,
title = {Order of certain classes of analytic and univalent functions using Ruscheweyh derivative.},
journal = {General Mathematics},
volume = {12},
year = {2004},
pages = {3-10},
zbl = {1100.30005},
language = {en},
url = {http://dml.mathdoc.fr/item/05036122}
}
Frasin, B.A.; Oros, Gheorghe. Order of certain classes of analytic and univalent functions using Ruscheweyh derivative.. General Mathematics, Tome 12 (2004) pp. 3-10. http://gdmltest.u-ga.fr/item/05036122/