Hans Kleine Büning, Theodor Lettmann, Ernst W. Mayr. Projections of Vector Addition System Reachability Sets are Semilinear. Theoretical Computer Science, 64(3):343-350, 1989.
@article{BuningLM89, title = {Projections of Vector Addition System Reachability Sets are Semilinear}, author = {Hans Kleine Büning and Theodor Lettmann and Ernst W. Mayr}, year = {1989}, researchr = {https://researchr.org/publication/BuningLM89}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {64}, number = {3}, pages = {343-350}, }