English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Open

We obtain from the off‐shell Coulomb unitarity relation a closed expression for J∞l = 0(2l+1)Pl(x) ×Qliγ ( y) Ql−iγ (z), and we consider some related series of products of Legendre functions.

The Coulomb unitarity relation and some series of products of three Legendre functions