@article{GDZPPN002439395,
title = {The genus problem for one-relator products of locally indicable groups.},
journal = {Mathematische Zeitschrift},
volume = {207},
year = {1991},
pages = {225-238},
zbl = {0724.20024},
url = {http://dml.mathdoc.fr/item/GDZPPN002439395}
}
Howie, James; Duncan, Andrew J. The genus problem for one-relator products of locally indicable groups.. Mathematische Zeitschrift, Tome 207 (1991) pp. 225-238. http://gdmltest.u-ga.fr/item/GDZPPN002439395/