The Book of Prayers
حَدَّثَنَا عَلِيُّ بْنُ خَشْرَمٍ، أَخْبَرَنَا عِيسَى بْنُ يُونُسَ، عَنِ الأَعْمَشِ، بِهَذَا الإِسْنَادِ . مِثْلَهُ .A hadith like this has been narrated by A'mash with the same chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.