@article{05875538,
title = {Efficient separability in free groups.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {50},
year = {2009},
pages = {765-771},
zbl = {1212.20055},
language = {en},
url = {http://dml.mathdoc.fr/item/05875538}
}
Buskin, N.V. Efficient separability in free groups.. Sibirskij Matematicheskij Zhurnal, Tome 50 (2009) pp. 765-771. http://gdmltest.u-ga.fr/item/05875538/