@article{GDZPPN002103494,
title = {Of-groups of crossed products by groups acting on trees.},
journal = {Inventiones mathematicae},
volume = {83},
year = {1986},
pages = {603-634},
zbl = {0638.46049},
url = {http://dml.mathdoc.fr/item/GDZPPN002103494}
}
Pimsner, M.V. Of-groups of crossed products by groups acting on trees.. Inventiones mathematicae, Tome 83 (1986) pp. 603-634. http://gdmltest.u-ga.fr/item/GDZPPN002103494/