@article{1077473375,
author = {Robertson, M. S.},
title = {Star center points of multivalent functions},
journal = {Duke Math. J.},
volume = {12},
number = {1},
year = {1945},
pages = { 669-684},
language = {en},
url = {http://dml.mathdoc.fr/item/1077473375}
}
Robertson, M. S. Star center points of multivalent functions. Duke Math. J., Tome 12 (1945) no. 1, pp. 669-684. http://gdmltest.u-ga.fr/item/1077473375/