صَحِيحُ مُسْلِمٍ
Sahih Muslim 1221 b
The Book of Pilgrimage
It is permissible to base one's intention for Ihram on the intention of another
وَحَدَّثَنَاهُ عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، فِي هَذَا الإِسْنَادِ نَحْوَهُ .
This hadith has been narrated by Shu'ba with the same chain of transmitters.
Sahih Muslim, 1221 bSahihصحيح