[2] viXra:1905.0552 submitted on 2019-05-28 11:39:36, (84 unique-IP downloads)
Authors: Emanuels Grinbergs
Category: Geometry
[1] viXra:1001.0031 submitted on 22 Jan 2010, (263 unique-IP downloads)
Authors: Dainis Zeps, Emanuels Grinbergs
Category: Combinatorics and Graph Theory