@article{IJAMCS_2001_11_2_a9,
     author = {Arabas, P. and Malinowski, K.},
     title = {Periodic {Coordination} in {Hierarchical} {Air} {Defence} {Systems}},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {493--513},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2001_11_2_a9/}
}