Abu Dawud Book 2, Hadith Number 1440.
Chapter : On reciting the supplication in prayer.
Narated By Anas b. Malik : The Prophet (PBUH) recited the supplication for a month (in prayer) and then gave it up.
Narated By Anas b. Malik : The Prophet (PBUH) recited the supplication for a month (in prayer) and then gave it up.