Hadith 6:938
Abu Bakr narrated to us, he said: Abu Dawud al-Tayalisi narrated to us, from Khalid, from Abu Uthman, from a man who said: I saw the grave of Ibn Umar a few days after he was buried, and it was mounded (musannam).
حدثنا أبو بكر قال ثنا أبو داود الطيالسي عن خالد عن أبي عثمان عن رجل قال رأيت قبر بن عمر بعد ما دفن بأيام مسنما