@article{MZ_1986__191_173683,
     author = {G.R. Everest},
     title = {The {Divisibility} of {Normal} {Integral} {Generators.}},
     journal = {Mathematische Zeitschrift},
     pages = {397--404},
     publisher = {mathdoc},
     volume = {191},
     year = {1986},
     zbl = {0592.12008},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173683/}
}