@article{03691669,
title = {On the Hankel determinants of close-to-convex univalent functions.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {3},
year = {1980},
pages = {477-481},
doi = {10.1155/S016117128000035X},
zbl = {0443.30015},
language = {en},
url = {http://dml.mathdoc.fr/item/03691669}
}
Noor, K.Inayat. On the Hankel determinants of close-to-convex univalent functions.. International Journal of Mathematics and Mathematical Sciences, Tome 3 (1980) pp. 477-481. doi : 10.1155/S016117128000035X. http://gdmltest.u-ga.fr/item/03691669/