(35) باب الْقِرَاءَةِ فِي الصُّبْحِ
Jabir b. Samura reported:
The Apostle of Allah (ﷺ) used to recite in the morning prayer" Qaf. By the Glorious Quran." and his prayer afterward shortened.
Reference: Sahih Muslim 458 a
In-book reference: Book 4, Hadith 189
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 923