%0 Journal Article
%A Lamathe, Cédric
%T The number of labelled $k$-arch graphs
%J Journal of integer sequences
%D 2004
%V 7
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JIS_2004__7_3_a3/
%G en
%F JIS_2004__7_3_a3