@article{GDZPPN002432854,
title = {Geometry of Free Products.},
journal = {Mathematische Zeitschrift},
volume = {192},
year = {1986},
pages = {613-624},
zbl = {0584.20016},
url = {http://dml.mathdoc.fr/item/GDZPPN002432854}
}
Kulkarni, Ravi S. Geometry of Free Products.. Mathematische Zeitschrift, Tome 192 (1986) pp. 613-624. http://gdmltest.u-ga.fr/item/GDZPPN002432854/