%0 Journal Article
%A O. V. Zubkov
%T Some closed classes unary generated ultra funktions
%J The Bulletin of Irkutsk State University. Series Mathematics
%D 2015
%P 35-48
%V 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IIGUM_2015_12_a3/
%G ru
%F IIGUM_2015_12_a3