@article{MZ_1967__99_170776, author = {W.M. Causey}, title = {The {Close-to-Convexity} and {Univalence} of an {Integral.}}, journal = {Mathematische Zeitschrift}, pages = {207--212}, publisher = {mathdoc}, volume = {99}, year = {1967}, zbl = {0165.09501}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__99_170776/} }