Aṭas n tewsatin i ɣef yura Muḥend U Yeḥya, ama d timucuha neɣ d tamedyazt d tmezgunt maca taneggarut-agi i swayes yettwassen aṭas, yella ayen 1 Paulette Galand- Pernet,  MOHIA 1970, quelque notes , In Etudes et Documents Berberes, 24,