V. Mazurov, and E. Khukhro. (2014)cite arxiv:1401.0300Comment: A few new solutions and references have been added. Preparation of the next 19th issue is underway, new problems are welcome, as well as comments on previous editions.
M. Tegmark. (1997)cite arxiv:gr-qc/9702052Comment: Minor modifications to match published version. 5 pages. Color figures and related links at http://www.sns.ias.edu/~max/dimensions.html (faster from the US), from http://www.mpa-garching.mpg.de/~max/dimensions.html (faster from Europe) or from firstname.lastname@example.org.