Alonderis, R., Pliuškevičius, R. and Pliuškevičienė, A. (2015) “Finite sequent calculi for PLTL”, Lietuvos matematikos rinkinys, 56(A), pp. 1–6. doi:10.15388/LMR.A.2015.01.
Two sequent calculi for temporal logic of knowledge are presented: one containing invariant-like rule and the other containing looping axioms. Its proved that the calculi are equivalent, sound and complete.