%0 Journal Article
%A V. N. Kalachev
%T On the Hartsfield–Ringel hypothesis: connected unigraphs
%J Trudy Instituta matematiki
%D 2014
%P 46-52
%V 22
%N 2
%U http://geodesic.mathdoc.fr/item/TIMB_2014_22_2_a4/
%G ru
%F TIMB_2014_22_2_a4