@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/