TY - JOUR AU - Rutskij, A.N. TI - An admissibility criterion for inference rules with metavariables in the modal logic S4. JO - Sibirskij Matematicheskij Zhurnal PY - 2007 SP - 396 VL - 48 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_2_55566/ LA - en ID - SMZ_2007__48_2_55566 ER -