حَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ بْنِ سُفْيَانَ، حَدَّثَنَا الْوَلِيدُ، عَنِ الأَوْزَاعِيِّ، قَالَ مَا زِلْتُ لَهُ كَاتِمًا حَتَّى رَأَيْتُهُ انْتَشَرَ ‏.‏ يَعْنِي حَدِيثَ عَبْدِ اللَّهِ بْنِ بُسْرٍ هَذَا فِي صَوْمِ يَوْمِ السَّبْتِ ‏.‏ قَالَ أَبُو دَاوُدَ قَالَ مَالِكٌ هَذَا كَذِبٌ ‏.‏

Al-Auza'i said: I always concealed it, but I found that it became known widely, that is, the tradition on Ibn Busr about fasting on Saturday. Abu Dawud said: Malik said: This is a false (tradition). Translation Not Available

Book Ref: Sunan Abi Dawud Book 14 Hadith 2424
Web Ref:  Sunan Abi Dawud Book 13 Hadith 2418