On the automorphism group of a tree /
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| Main Author: | |
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| Format: | Thesis Book |
| Language: | English |
| Published: |
Ann Arbor, Mich. :
University Microfilms,
[19--]
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| Subjects: |
| Physical Description: | iv, 103 leaves : ill. ; 20 cm. |
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| Bibliography: | Bibliography: leaf 103. |