Julia Padberg. Classification of Petri Nets Using Adjoint Functors. Bulletin of the EATCS, 66:85-91, 1998.
@article{Padberg98:0, title = {Classification of Petri Nets Using Adjoint Functors}, author = {Julia Padberg}, year = {1998}, tags = {classification}, researchr = {https://researchr.org/publication/Padberg98%3A0}, cites = {0}, citedby = {0}, journal = {Bulletin of the EATCS}, volume = {66}, pages = {85-91}, }