Sahih Muslim 2774
Sahih Muslim · Book 51: Characteristics of The Hypocrites And Rulings Concerning Them
This hadith has been narrated on the authority of 'Abdullah with the same chain of transmitters but with this addition:
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى ، وَعُبَيْدُ اللَّهِ بْنُ سَعِيدٍ ، قَالاَ حَدَّثَنَا يَحْيَى، - وَهُوَ الْقَطَّانُ - عَنْ عُبَيْدِ اللَّهِ ، بِهَذَا الإِسْنَادِ نَحْوَهُ وَزَادَ قَالَ فَتَرَكَ الصَّلاَةَ عَلَيْهِمْ .
" He then abandoned offering (funeral) prayer for them."