On the spectrum of the sum of generators of a finitely generated group, II
de la Harpe, Pierre ; Robertson, A. ; Valette, Alain
Colloquium Mathematicae, Tome 66 (1993), p. 87 / Harvested from The Polish Digital Mathematics Library
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     title = {On the spectrum of the sum of generators of a finitely generated group, II},
     journal = {Colloquium Mathematicae},
     volume = {66},
     year = {1993},
     pages = {87},
     zbl = {0846.46036},
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de la Harpe, Pierre; Robertson, A.; Valette, Alain. On the spectrum of the sum of generators of a finitely generated group, II. Colloquium Mathematicae, Tome 66 (1993) p. 87. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv65i1p87bwm/

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