Abu Dawud said : Marwan b. Muhammad said: He is Rabah b. al-Walid who heard from him (nimran). He (Marwan b. Muhammad) said: Yahya b. Hussain was confused in it.
In-book : Book 43, Hadith 133
English translation : Book 42, Hadith 4887
43. General Behavior (Kitab Al-Adab)
باب الْوُضُوءِ مَرَّتَيْنِ