On a Problem of Hanna Neumann.
Cossey, John
Mathematische Zeitschrift, Tome 105 (1968), p. 187-190 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1968-01-01
EUDML-ID : urn:eudml:doc:171021 
@article{GDZPPN002402912,
     title = {On a Problem of Hanna Neumann.},
     journal = {Mathematische Zeitschrift},
     volume = {105},
     year = {1968},
     pages = {187-190},
     zbl = {0174.04702},
     url = {http://dml.mathdoc.fr/item/GDZPPN002402912}
}

Cossey, John. On a Problem of Hanna Neumann.. Mathematische Zeitschrift, Tome 105 (1968) pp. 187-190. http://gdmltest.u-ga.fr/item/GDZPPN002402912/