TY - JOUR AU - A. M. Raǐgorodskiǐ AU - I. I. Timirova TI - On the Nelson--Erd\H{o}s--Hadwiger problem for a series of metric spaces JO - Čebyševskij sbornik PY - 2008 SP - 158 EP - 168 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2008_9_1_a13/ LA - ru ID - CHEB_2008_9_1_a13 ER -