@article{ZVMMF_2006_46_2_a2,
     author = {G. G. Zabudskii},
     title = {Computation of lower bounds on the network cost in location problems subject to distance constraints},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {216--221},
     year = {2006},
     volume = {46},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2006_46_2_a2/}
}