%0 Journal Article
%A V. N. Sačkov
%T The distribution of the number of fixed points corresponding to elements of a~symmetric semigroup with the condition $\sigma^{h+1}=\sigma^h$, and the number of trees with the altitudes less or equal to~$h$
%J Teoriâ veroâtnostej i ee primeneniâ
%D 1971
%P 676-687
%V 16
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TVP_1971_16_4_a5/
%G ru
%F TVP_1971_16_4_a5