@article{MZ_1968__103_170893,
     author = {Thomas H. MacGregor},
     title = {Certain {Integrals} of {Univalent} and {Convex} {Functions.}},
     journal = {Mathematische Zeitschrift},
     pages = {48--54},
     publisher = {mathdoc},
     volume = {103},
     year = {1968},
     zbl = {0182.10202},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__103_170893/}
}