Isma'il Ibn Ulayyah narrated it from Abu al-Ashhab, he from Abd al-Rahman, and he from his father, that (the hadith of) Sayyiduna Arfajah (may Allah be pleased with him) is "bi-ma'nahu" (with the same meaning). Abu Ali al-Rudhbari informed us of it; he said: Abu Bakr bin Dasah informed us; he said: Abu Dawud narrated to us; he said: Mu'ammal bin Hisham narrated to us; he said: Isma'il narrated to us, and then he mentioned it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4224