The aforesaid tradition has also been transmitted by Nafi through a different chain of narrators. This version says Ibn Umar divorced a wife of his while she was menstruating pronouncing one divorce. He then narrated the rest of the tradition similar to the one narrated by Malik.
USC-MSA web (English) Reference: Book 12 , Number 2175
قال الشيخ الألباني: صحيح
قال الشيخ زبير على زئي: صحيح بخاري (5332) صحيح مسلم (1471)