Yahya related to me from Malik that he had heard that Abu Bakribn Abd ar-Rahman and Sulayman ibn Yasar and Ibn Shihab used to say,"When the divorced woman enters the beginning of her third period, sheis clearly separated from her husband and there is no inheritancebetween them and he has no access to her."
USC-MSA web (English) reference: Book 29, Hadith 57
Arabic reference: Book 29, Hadith 1218