Musannaf Ibn Abi Shayba 3:3596

Abu Bakr narrated to us, he said: Shareek narrated to us, from Hilal al-Wazzan, from Abd al-Rahman ibn Abi Layla, who said: When the Messenger of Allah (peace and blessings of Allah be upon him) would miss the four [rak'ahs] before the Dhuhr [prayer], he would pray them after it.