# Trouble beyond <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>H</mml:mi><mml:mn>0</mml:mn></mml:msub></mml:math> and the new cosmic triangles

> Research article (Physical review. D/Physical review. D., 2021) · cited 72× · AI/ML

**Wikidata**: [openalex:W3126828203](https://www.wikidata.org/wiki/openalex:W3126828203)  
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