%0 Journal Article
%A A. M. Magomedov
%T Defragmentation of permutation tables with four columns
%J Diskretnaya Matematika
%D 2009
%P 95-104
%V 21
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_2009_21_4_a8/
%G ru
%F DM_2009_21_4_a8