Musnad Abu Ya'la al-Mawsili 2:54

Narrated to us Ibn Numayr, narrated to us Ibn Fudayl, narrated to us al-A’mash, from Khaythama, from Qays ibn Marwan, from Umar, who said: The Messenger of Allah (ﷺ) said: "Whoever is pleased to recite the Quran fresh, as it was revealed, then let him recite it according to the recitation of Ibn Umm 'Abd."