@article{SJIM_2010_13_1_a5,
     author = {N. G. Zagoruǐko and I. A. Borisova and V. V. Dyubanov and O. A. Kutnenko},
     title = {A~quantitative measure of compactness and similarity in competitive space},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {59--71},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2010_13_1_a5/}
}