(17) باب صَلاَةِ اللَّيْلِ وَعَدَدِ رَكَعَاتِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي اللَّيْلِ وَأَنَّ الْوِتْرَ رَكْعَةٌ وَأَنَّ الرَّكْعَةَ صَلاَةٌ صَحِيحَةٌ
A hadith like this has been narrated by 'A'isha by another chain of transmitters. (JA)
Reference (JA): Sahih Muslim 743 b (JA)
In-book reference (JA): Book 6, Hadith 162 (JA)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1617 (JA)