%0 Journal Article %A P. A. Irzhavski %T Cyclic properties of topological graphs of a~hexagonal grid %J Diskretnyj analiz i issledovanie operacij %D 2015 %P 27-48 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2015_22_2_a2/ %G ru %F DA_2015_22_2_a2