@article{JRAM_1975__277_151620,
     author = {James L. Frank},
     title = {On convex univalent functions. {II.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {5--7},
     publisher = {mathdoc},
     volume = {277},
     year = {1975},
     zbl = {0331.30009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__277_151620/}
}