Yahya related to me from Malik from Yahya ibn Said from al-Qasimibn Muhammad that a certain man had taken a slave-girl belonging tosomebody else as a wife. He said to her people, "She is your concern,"and people considered that to be one pronouncement of divorce. (ID)
USC-MSA web (English) reference: Book 29, Hadith 8 (ID)
Arabic reference (ID): Book 29, Hadith 1160 (ID)