%0 Journal Article %A Barbour, Graham D. %A Raftery, James G. %T On the degrees of permutability of subregular varieties %J Czechoslovak Mathematical Journal %D 1997 %P 317-325 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_1997__47_2_a7/ %G en %F CMJ_1997__47_2_a7