@article{GDZPPN002212536,
title = {Periodic points, multiplicities, and dynamical units.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {468},
year = {1995},
pages = {81-122},
zbl = {0813.11059},
url = {http://dml.mathdoc.fr/item/GDZPPN002212536}
}
Silverman, Joseph H.; Morton, Patrick. Periodic points, multiplicities, and dynamical units.. Journal für die reine und angewandte Mathematik, Tome 468 (1995) pp. 81-122. http://gdmltest.u-ga.fr/item/GDZPPN002212536/