Abu Dawud
Oaths and Vows
Book Number: 015 / Hadith Number: 3300
Narated By AbdurRahman ibn Awf : The tradition mentioned above (No.3299) has also been transmitted by Umar ibn AbdurRahman ibn Awf on the authority of his father and the Companions of the Prophet (pbuh).
This version has: "The Prophet (pbuh) said: By Him Who sent Muhammad with truth, if you prayed here, this would be sufficient for you like the prayer in Jerusalem."