Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)
Dawud :: Book 21 : Hadith 3300
Narrated 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 (peace_be_upon_him).
This version has: "The Prophet (peace_be_upon_him) said: By Him Who sent Muhammad with truth, if you prayed here, this would be sufficient for you like the prayer in Jerusalem."