https://dlmf.nist.gov/
DLMF: NIST Digital Library of Mathematical Functions
digital librarynistmathematicalfunctions
https://www.nist.gov/publications/connecting-islands-bridging-zbmath-and-dlmf-scholix-blueprint-connecting-expert
Connecting Islands: Bridging zbMATH and DLMF with Scholix, a blueprint for connecting expert...
Mar 27, 2024 - This paper reports on the recently launched zbMATH Links API.