@article{CHEB_2008_9_1_a13,
     author = {A. M. Raǐgorodskiǐ and I. I. Timirova},
     title = {On the {Nelson{\textendash}Erd\H{o}s{\textendash}Hadwiger} problem for a series of metric spaces},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {158--168},
     year = {2008},
     volume = {9},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2008_9_1_a13/}
}