@article{03595487, title = {On the definition of a close-to-convex function.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {1}, year = {1978}, pages = {125-132}, doi = {10.1155/S0161171278000150}, zbl = {0383.30005}, language = {en}, url = {http://dml.mathdoc.fr/item/03595487} }
Goodman, A.W.; Saff, E.B. On the definition of a close-to-convex function.. International Journal of Mathematics and Mathematical Sciences, Tome 1 (1978) pp. 125-132. doi : 10.1155/S0161171278000150. http://gdmltest.u-ga.fr/item/03595487/