Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Francisco M. García Olmedo, Antonio J. Rodríguez Salas. Negation and BCK-algebras. Math. Log. Q., 49(4):336-346, 2003. [doi]
Abstract is missing.