@article{CHEB_2018_19_3_a21,
     author = {A. Sokolov and A. M. Raigorodskiy},
     title = {On rational analogs of {Nelson--Hadwiger's} and {Borsuk's} problems},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {270--281},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2018_19_3_a21/}
}