@article{COMIM_2003__11_1_a0, author = {Ashrafi, Ali Reza}, title = {$nX$-complementary generations of the {Harada-Norton} group $HN$}, journal = {Communications in Mathematics}, pages = {3--9}, publisher = {mathdoc}, volume = {11}, number = {1}, year = {2003}, mrnumber = {2037306}, zbl = {1110.20300}, language = {en}, url = {http://geodesic.mathdoc.fr/item/COMIM_2003__11_1_a0/} }