A numerical invariant for finitely generated groups via actions on graphs.
Paschke, William L.
Mathematica Scandinavica, Tome 73 (1993), p. 148-160 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1993-01-01
EUDML-ID : urn:eudml:doc:167243 
@article{GDZPPN002361892,
     title = {A numerical invariant for finitely generated groups via actions on graphs.},
     journal = {Mathematica Scandinavica},
     volume = {73},
     year = {1993},
     pages = {148-160},
     zbl = {0812.20020},
     url = {http://dml.mathdoc.fr/item/GDZPPN002361892}
}

Paschke, William L. A numerical invariant for finitely generated groups via actions on graphs.. Mathematica Scandinavica, Tome 73 (1993) pp. 148-160. http://gdmltest.u-ga.fr/item/GDZPPN002361892/