@article{JRAM_1960__203_150420,
     author = {Edward O. Thorp},
     title = {Note on {Linear} {Operators.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {110--112},
     publisher = {mathdoc},
     volume = {203},
     year = {1960},
     zbl = {0090.09002},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1960__203_150420/}
}