TY - JOUR AU - Vladimir Ristić TI - $L_{ACP}^k>$ logic and completeness theorem JO - Kragujevac Journal of Mathematics PY - 2006 SP - 99 VL - 29 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2006_29_a9/ LA - en ID - KJM_2006_29_a9 ER -