The Book of Fasting (Kitab Al-Sawm) 
Muslim :: Book 6 : Hadith 2636
Ibn 'Umar (Allah be pleased with both of them) reported that the Apostle of Allah (may peace be upon him) used to observe i'tikaf in the last ten days of Ramadan.
The Book of Fasting (Kitab Al-Sawm)
Muslim :: Book 6 : Hadith 2636
Ibn 'Umar (Allah be pleased with both of them) reported that the Apostle of Allah (may peace be upon him) used to observe i'tikaf in the last ten days of Ramadan.