بُلُوغُ الْمَرَامِ
Bulugh al-Maram 674
Fasting
وَأَصْلُهُ فِي اَلْمُتَّفَقِِ مِنْ حَدِيثِ عَائِشَةَ; { أَنَّ حَمْزَةَ بْنَ عَمْرٍو سَأَلَ } [1]
And it's basic meaning is in Al-Bukhari and Muslim from the narration of Aisha (with the wording) "that Hamza bin 'Amro asked".
Arabic/English book reference: Book 5, Hadith 695