Learn Erzya
Sources
➢ Veʹrdd, an open-source dictionary editing framework with the focus on low-resourced and endangered languages.
➢ Ksenija Djordjevic Leonard, Jean-Leo Leonard. Parlons mordve: erzya et mokša. Harmattan, 2006.
➢ Boris Serebrennikov. Историческая морфология мордовских языков. Moscow, 1967.