%0 Journal Article
%A Janssens, D.
%A Rozenberg, G.
%T Hypergraph systems and their extensions
%J RAIRO. Informatique théorique
%D 1983
%P 163-196
%V 17
%N 2
%I EDP-Sciences
%U http://archive.numdam.org/item/ITA_1983__17_2_163_0/
%G en
%F ITA_1983__17_2_163_0