Introductory non-euclidean geometry.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
New York :
Dover Publications,
1963.
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| Rhifyn: | First Dover edition. |
| Pynciau: | |
| Classic Catalogue: | View this record in Classic Catalogue |
| Disgrifiad Corfforoll: | v, 95 pages. |
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