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1
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|
|
|
QA171
.M3
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Combinatorial group theory : presentations of groups in terms of generators and relations
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New York, [ United States ] : Interscience Publishers , 1966
|
Magnus, Wilhelm
|
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22874
|
|
2
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QA171
.G7
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Groups and their graphs/by Israel Grossman and Wilhelm Magnus; illustrated by George Buehler
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New York, [ United States ] : Random House , 1964
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Grossman, Israel
|
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47244
|