Maliks Muwatta Book 7, Hadith Number 33.
Section : The Two Rakas of Fajr.
Yahya related to me from Malik from Abd ar-Rahman ibn al-Qasim that al-Qasim ibn Muhammad had done the same as Ibn Umar.
Yahya related to me from Malik from Abd ar-Rahman ibn al-Qasim that al-Qasim ibn Muhammad had done the same as Ibn Umar.