TY  - JOUR
AU  - Janssens, D.
AU  - Rozenberg, G.
TI  - Hypergraph systems and their extensions
JO  - RAIRO. Informatique théorique
PY  - 1983
SP  - 163
EP  - 196
VL  - 17
IS  - 2
PB  - EDP-Sciences
UR  - http://archive.numdam.org/item/ITA_1983__17_2_163_0/
LA  - en
ID  - ITA_1983__17_2_163_0
ER  -