Musnad Ahmad 30:2750

Bahz narrated to us, he said: Shu'bah narrated to us, he said: Alqamah ibn Marthad narrated to me, he said: I heard Abu al-Rabi', who used to sit with Abu Burdah, narrating from Abu Hurairah, that the Messenger of Allah (peace and blessings of Allah be upon him) said: "Four [things] are in my Ummah," and he mentioned the hadith, meaning similar to the hadith of Muhammad ibn Ja'far.