@article{10_4153_CJM_1971_080_6, author = {Stump, Robert K.}, title = {Linear {Combinations} of {Univalent} {Functions} with {Complex} {Coefficients}}, journal = {Canadian journal of mathematics}, pages = {712--717}, year = {1971}, volume = {23}, number = {4}, doi = {10.4153/CJM-1971-080-6}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-080-6/} }