@article{JLT_1991_1_2_a3,
     author = {K.-H. Neeb},
     title = {Convexity {Theorems} in {Harmonic} {Analysis}},
     journal = {Journal of Lie theory},
     pages = {143--152},
     year = {1991},
     volume = {1},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JLT_1991_1_2_a3/}
}