Tazrawt-nneɣ d tin icudden ɣer tesnalmudt. Taneggarut-a d irem yettwasemrasen i tikelt tamezwarut deg usegzawal Robert aseggas n 1955, d win n Littr 1960. D irem i d-yekkan seg wawal Didactios. D tussna yesɛan assaɣ d ugbur d tẓuri n usiweḍ tmussniwin.