صحيح البخاري
Sahih Bukhari
كتاب الصوم
The Book of As-Saum (The Fasting).
باب المجامع فى رمضان هل يطعم أهله من الكفارة إذا كانوا محاويج:
Chapter. Can a person who has had sexual intercourse (with his wife) in Ramadan feed his family from things given as expiation of his sin if they are needy?