Talk:Exact couple
 | This article was nominated for deletion on 4 February 2016. The result of the discussion was keep. |
 | This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
| |||||||||||
The last part (Example: Serre spectral sequence) seems unfinished. There is a statement about exact couples missing. — Preceding unsigned comment added by 129.13.187.230 (talk) 15:48, 17 September 2019 (UTC)