@article{01657584,
title = {Near Frattini subgroups of residually finite generalized free products of groups.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {117-121},
doi = {10.1155/S0161171201005397},
zbl = {1053.20024},
language = {en},
url = {http://dml.mathdoc.fr/item/01657584}
}
Azarian, Mohammad K. Near Frattini subgroups of residually finite generalized free products of groups.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 117-121. doi : 10.1155/S0161171201005397. http://gdmltest.u-ga.fr/item/01657584/