Enjoying our latest content?
Log in or create an account to continue
- Access the most recent journalism from Nature's award-winning team
- Explore the latest features & opinion covering groundbreaking research
or
Rights and permissions
About this article
Cite this article
CROSS, R. Mathematical Association—1966. Nature 211, 571–572 (1966). https://doi.org/10.1038/211571a0
Issue date:
DOI: https://doi.org/10.1038/211571a0
