D. Hauschildt and Matthias Jantzen.
Petri net algorithms in the theory of matrixgrammars.
Acta Informatica, (31):719-728, 1994.
@ARTICLE{Hauschildt+94b, AUTHOR = {Hauschildt, D. and Jantzen, Matthias}, PAGES = {719--728}, JOURNAL = {Acta Informatica}, NUMBER = {31}, TITLE = {Petri net algorithms in the theory of matrixgrammars}, YEAR = 1994 }