Deg umagrad-inesɣef tsekla tartar, S.Chemmax(1)yefka-d yiwettasamitiyettujerden deg amezruy aseklan d tesnimetti n tsekla iwakken ad yezrew asnulfu n tsekla tirawit. Ɣef later nBakhtine (1977), Chemmax yenna-d belli yewwi-d ad ilin deg 3 n tewtilin deg umaru: tizemmar tisnilsanin, tizemmar tiseklanin dtmental timettiyin.