TY - JOUR AU - Adilson A. Berlatto AU - Said N. Sidki TI - Virtual endomorphisms of nilpotent groups JO - Groups, geometry, and dynamics PY - 2007 SP - 21 EP - 46 VL - 1 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/ggd/2/ DO - 10.4171/ggd/2 ID - 10_4171_ggd_2 ER -