In 2004, C. Sanza, with the purpose of legitimizing study \(n\times m\)-valued ?ukasiewicz algebras negation (or \(\mathbf{NS}_{n\times m}\)-algebras) introduced \(3 \times 3\)-valued negation. Despite various results obtained about m}\)-algebras, structure free for this variety has not been determined yet. She only a bound their cardinal number finite generators. note we describe finitely gene...