@article{1077469440,
author = {Bernardi, S. D.},
title = {Convex, starlike, and level curves},
journal = {Duke Math. J.},
volume = {28},
number = {1},
year = {1961},
pages = { 57-72},
language = {en},
url = {http://dml.mathdoc.fr/item/1077469440}
}
Bernardi, S. D. Convex, starlike, and level curves. Duke Math. J., Tome 28 (1961) no. 1, pp. 57-72. http://gdmltest.u-ga.fr/item/1077469440/