Equations with fuzzy numbers. - Loredana Biacino; Ada Lettieri (Inf. Sci., 1989)

Perfect MV-algebras are categorically equivalent to Abelian l-grups. - Antonio Di Nola; Ada Lettieri (Stud Logica, 1994)

Products of Ideals in MV -algebras. - Lawrence Peter Belluce; Ada Lettieri; Salvatore Sessa 002 (J. Appl. Non Class. Logics, 2001)

Formulas of Lukasiewicz's Logic Represented by Hyperplanes. - Antonio Di Nola; Ada Lettieri (IFSA, 2003)

Finite BL-algebras. - Antonio Di Nola; Ada Lettieri (Discret. Math., 2003)

On normal forms in Lukasiewicz logic. - Antonio Di Nola; Ada Lettieri (Arch. Math. Log., 2004)

Representations of monadic MV -algebras. - Lawrence Peter Belluce; Revaz Grigolia; Ada Lettieri (Stud Logica, 2005)

Boolean dominated MV-algebras. - Lawrence Peter Belluce; Ada Lettieri (Soft Comput., 2005)

Finiteness based results in BL-algebras. - Antonio Di Nola; Ada Lettieri (Soft Comput., 2005)

Symmetric MV-Algebras. - Lawrence Peter Belluce; Antonio Di Nola; Ada Lettieri (Algebraic and Proof-theoretic Aspects of Non-classical Logics, 2006)

Algebraic analysis of fuzzy systems. - Antonio Di Nola; Ada Lettieri; Irina Perfilieva; Vilém Novák (Fuzzy Sets Syst., 2007)

Projective MV-algebras. - Antonio Di Nola; Revaz Grigolia; Ada Lettieri (Int. J. Approx. Reason., 2008)

Erratum to "State-morphism MV-algebras" [Ann. Pure Appl. Logic 161 (2009) 161-173]. - Antonio Di Nola; Anatolij Dvurecenskij; Ada Lettieri (Ann. Pure Appl. Log., 2010)

On varieties of MV-algebras with internal states. - Antonio Di Nola; Anatolij Dvurecenskij; Ada Lettieri (Int. J. Approx. Reason., 2010)

Representations of MV-algebras by sheaves. - Anna R. Ferraioli; Ada Lettieri (Math. Log. Q., 2011)