@article{GDZPPN00241774X,
title = {The Conjugacy Problem for Free Products of Sixth-Groups with Cyclic Amalgamation.},
journal = {Mathematische Zeitschrift},
volume = {147},
year = {1976},
pages = {169-182},
zbl = {0316.20029},
url = {http://dml.mathdoc.fr/item/GDZPPN00241774X}
}
Comerford, Leo P. jr.; Truffault, B. The Conjugacy Problem for Free Products of Sixth-Groups with Cyclic Amalgamation.. Mathematische Zeitschrift, Tome 147 (1976) pp. 169-182. http://gdmltest.u-ga.fr/item/GDZPPN00241774X/