ROBLES, Gemma, LÓPEZ, Sandra M. and BLANCO, José M. Relational Semantics for the Paraconsistent and Paracomplete 4-valued Logic PŁ4. Logic and Logical Philosophy. Online. 23 April 2022. Vol. 31, no. 4, pp. 665-687. [Accessed 18 July 2024]. DOI 10.12775/LLP.2022.016.