(13) باب اسْتِحْبَابِ صَلاَةِ الضُّحَى وَأَنَّ أَقَلَّهَا رَكْعَتَانِ وَأَكْمَلَهَا ثَمَانِ رَكَعَاتٍ وَأَوْسَطَهَا أَرْبَعُ رَكَعَاتٍ أَوْ سِتٌّ وَالْحَثِّ عَلَى الْمُحَافَظَةِ عَلَيْهَا
A hadith like this has been narrated by Abu Huraira by another chain of transmitters. (IT)
Reference (IT): Sahih Muslim 721 b (IT)
In-book reference (IT): Book 6, Hadith 103 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1559 (IT)