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References to 'closed (differential form)'
1. approximating sums of rational functions by rspuzio
2. closed differential forms on a simply connected domain by paolini
3. cohomology of compact connected Lie groups by asteroid
4. exact (differential form) by bwebste
5. example of de Rham cohomology by pbruin
6. Hodge theory by bwebste
7. Mercator projection by acastaldo
8. Monte Carlo simulation by stevecheng
9. Poincar\'e lemma by matte
10. proof of Cauchy residue theorem by paolini
11. proof of closed curve theorem by paolini
12. proof of closed differential forms on a simple connected domain by paolini
13. proof of Poincar\'e lemma by pbruin