@article{JRAM_1975__277_151625,
     author = {John Knopfmacher},
     title = {Arithmetical properties of finite rings and algebras, and analytic number theory. {VI.} {Maximum} {Orders} of {Magnitude.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {45--62},
     publisher = {mathdoc},
     volume = {277},
     year = {1975},
     zbl = {0312.10032},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__277_151625/}
}