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/

Global: Zendy Plus annual

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

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Sur toute surface de del Pezzo de degr\'e 4 sur un corps $C_1$ decaract\'eristique z\'ero, tous les points rationnels sont R-\'equivalents. Plusg\'en\'eralement, ceci vaut sur tout corps parfait infini de caract\'eristiquediff\'erente de 2.  ----  On a del Pezzo surface of degree 4 over a characteristic zero $C_1$-field,all rational points are R-equivalent.This more generally holds over anyinfinite perfect $C_{1}$-field of characteristic different from 2.

Surfaces de del Pezzo de degr\'e 4 sur un corps $C_1$