%0 Journal Article %A Chao, Chong-Yun %A Han, Shao-cen %T On the classification and toughness of generalized permutation star-graphs %J Czechoslovak Mathematical Journal %D 1997 %P 431-452 %V 47 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_1997__47_3_a4/ %G en %F CMJ_1997__47_3_a4