# Robust predictions for an oscillatory bispectrum in Planck 2015 data from transient reductions in the speed of sound of the inflaton

> Research article (Physical review. D/Physical review. D., 2017) · cited 18× · AI/ML

**Wikidata**: [openalex:W2558468704](https://www.wikidata.org/wiki/openalex:W2558468704)  
**Source**: https://4ort.xyz/entity/robust-predictions-for-an-oscillatory-bispectrum-in-planck-2015-data-from-transient-reductions-in-the-speed-of-sound-of-
