@article{GDZPPN002113414,
title = {Towards the Hanna Neumann conjecture using Dicks's method.},
journal = {Inventiones mathematicae},
volume = {123},
year = {1996},
pages = {95-104},
zbl = {0848.20019},
url = {http://dml.mathdoc.fr/item/GDZPPN002113414}
}
Tardos, Gábor. Towards the Hanna Neumann conjecture using Dicks's method.. Inventiones mathematicae, Tome 123 (1996) pp. 95-104. http://gdmltest.u-ga.fr/item/GDZPPN002113414/