%0 Journal Article
%A M. I. Kharitonov
%T The estimate of the number of permutationally-ordered sets
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2015
%P 24-28
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2015_3_a4/
%G ru
%F VMUMM_2015_3_a4