Yahya related to me from Malik from Abd ar-Rahman ibn al-Qasimthat al-Qasim ibn Muhammad had done the same as Ibn Umar. (ES)
App reference (ES): Book 7, Hadith 33 (ES)
USC-MSA web (English) reference: Book 7, Hadith 33 (ES)
Arabic reference (ES): Book 7, Hadith 287 (ES)