Jami` at-Tirmidhi, Hadith 522 ⓘ
Nafi narrated about Ibn Umar: "When he prayed the Friday prayer, he left and prayed two prostrations (Rak'ah) in his house. Then he said: 'Allah's Messenger would do this.'"
حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا اللَّيْثُ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّهُ كَانَ إِذَا صَلَّى الْجُمُعَةَ انْصَرَفَ فَصَلَّى سَجْدَتَيْنِ فِي بَيْتِهِ ثُمَّ قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَصْنَعُ ذَلِكَ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ .
also referenced under: Book 4, Hadith 35 (In-Book) & Volume 1, Book 4, Hadith 522 (DarusSalam)