Mikhail N. Rybakov. Complexity of intuitionistic and Visser s basic and formal logics in finitely many variables. In Guido Governatori, Ian M. Hodkinson, Yde Venema, editors, Advances in Modal Logic 6, papers from the sixth conference on Advances in Modal Logic, held in Noosa, Queensland, Australia, on 25-28 September 2006. pages 393-411, College Publications, 2006. [doi]
Abstract is missing.