@article{MET_1985__32_176018,
     author = {M. Kolonko and H. Benzing},
     title = {On {Monotone} {Optimal} {Decision} {Rules} and the {Stay-on-a-} {Winner} {Rule} for the {Two-Armed} {Bandit.}},
     journal = {Metrika},
     pages = {395--407},
     publisher = {mathdoc},
     volume = {32},
     year = {1985},
     zbl = {0616.90093},
     url = {http://geodesic.mathdoc.fr/item/MET_1985__32_176018/}
}