The Book of Repentance
وَحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، قَالَ سَمِعْتُ الْعَلاَءَ، بِهَذَا الإِسْنَادِ .This hadith has been narrated on the authority of Shu'ba through another chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.