On the structure of regular H-cryptogroups
SHUM, K., KONG, X., DING, Y..
On the structure of regular H-cryptogroups.
European Journal of Pure and Applied Mathematics, North America, 1,
oct. 2007. Available at: http://www.ejpam.com/index.php/ejpam/article/view/23/15. Date accessed: 07 Feb. 2012.