| Author: | Schubert, Hermann, 1848-1911 |
| Subject: | QA, Hyperspace, Magic squares, Mathematics -- Philosophy, Circle-squaring |
| Format: | Electronic text |
| Date issued: | 2008 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Mathematical Essays and Recreations [electronic resource] / Hermann Schubert |