@article{MZ_1986__192_173746,
     author = {Theodore P. Hill},
     title = {Prophet {Inequalities} for {Averages} of {Independent} {Non-Negative} {Random} {Variables.}},
     journal = {Mathematische Zeitschrift},
     pages = {427--436},
     publisher = {mathdoc},
     volume = {192},
     year = {1986},
     zbl = {0604.60042},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__192_173746/}
}