@article{GDZPPN002202492,
title = {Extensions of the Graham-Leeb-Rothschild theorem.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {358},
year = {1985},
pages = {209-220},
zbl = {0553.05011},
url = {http://dml.mathdoc.fr/item/GDZPPN002202492}
}
Voigt, Bernd. Extensions of the Graham-Leeb-Rothschild theorem.. Journal für die reine und angewandte Mathematik, Tome 358 (1985) pp. 209-220. http://gdmltest.u-ga.fr/item/GDZPPN002202492/