TY - JOUR AU - Arabas, P. AU - Malinowski, K. TI - Periodic Coordination in Hierarchical Air Defence Systems JO - International Journal of Applied Mathematics and Computer Science PY - 2001 SP - 493 EP - 513 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2001_11_2_a9/ LA - en ID - IJAMCS_2001_11_2_a9 ER -