%0 Journal Article
%A V. S. Krotkin
%A O. V. Kuzmin
%T On a~constructive approach to the calculation of cardinality of the Ryser classes
%J Diskretnaya Matematika
%D 2009
%P 33-36
%V 21
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_2009_21_3_a3/
%G ru
%F DM_2009_21_3_a3