@techreport{KreinerSadrRoy, title = "Implementation of a cut-free sequent calculus for logics with adjoint modalities", author = "J. Kriener, M. Sadrzadeh and R. Dyckhoff", year = "2009", journal = "Computing Research Repository", url = "http://arxiv.org/abs/0903.2448", volume = "abs/0903.2448", }