Sahih Bukhari
Funerals (Al-Janaaiz)
Volume: 002 / Book Number: 023 / Hadith Number: 419
Narrated Talha bin 'Abdullah bin 'Auf:
I offered the funeral prayer behind Ibn Abbas and he recited Al-Fatiha and said, "You should know that it (i.e. recitation of Al-Fatiha) is the tradition of the Prophet Muhammad.