The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1772
Abu Huraira reported: The Messenger of Allah (may peace be upon him) came out to us and said: I am going to recite before you one-third of the Qur'an. He (the Holy Prophet) then recited:" Say: He is Allah, One--Allah, the Eternal," to the end of the Surah.
Source materials are from the University of Southern California MSA site|
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