@article{01821316,
title = {Subgroups of quasi-HNN groups.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {30},
year = {2002},
pages = {731-743},
doi = {10.1155/S0161171202103012},
zbl = {1034.20021},
language = {en},
url = {http://dml.mathdoc.fr/item/01821316}
}
Mahmood, R. M. S.; Khanfar, M. I. Subgroups of quasi-HNN groups.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 731-743. doi : 10.1155/S0161171202103012. http://gdmltest.u-ga.fr/item/01821316/