Yahya related to me that Malik asked Ibn Shihab about a man whocaught some of the takbirs said over the corpse and missed the rest,and Ibn Shihab said, "He completes what he has missed." (FR)
USC-MSA web (English) reference: Book 16, Hadith 16 (FR)
Arabic reference (FR): Book 16, Hadith 538 (FR)