@article{TE93,
title = {A Coverability Structure for Parallel Communicating Grammar Systems },
author = {Tiplea, Ferucio Laurentiu and Ene, Cristian},
year = {1993},
journal = {Elektronische Informationsverarbeitung und Kybernetik},
number = {5},
pages = {303-315},
volume = {29},
team = {DCS,PACSS},
}