%0 Journal Article
%A L. L. Ivanov
%T An estimate for the chromatic number of the space~$\mathbb R^4$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2006
%P 984-986
%V 61
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2006_61_5_a6/
%G en
%F RM_2006_61_5_a6