Yahya related to me from Malik from Ibn Shihab from al-Araj thatAbdullah ibn Buhayna said, "The Messenger of Allah, may Allah blesshim and grant him peace, prayed two rakas with us and then stoodwithout sitting and the people stood with him. When he had finishedthe prayerand we had seen him say the taslim, he said 'Allah isgreater' and did two sajdas from the sitting position and then saidthe taslim again."
App reference: Book 3, Hadith 70
USC-MSA web (English) reference: Book 3, Hadith 70
Arabic reference: Book 3, Hadith 217