@article{10_4153_CMB_1976_027_8,
     author = {Grassmann, E. and Hengartner, W. and Schober, G.},
     title = {Support {Points} of the {Class} of {Close-to-Convex} {Functions}},
     journal = {Canadian mathematical bulletin},
     pages = {177--179},
     year = {1976},
     volume = {19},
     number = {2},
     doi = {10.4153/CMB-1976-027-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1976-027-8/}
}