Rodney R. Howell. On the Complexity of Containment, Equivalence and Reachability for Finite and 2-Dimensional Vector Addition Systems with States. In Franz-Josef Brandenburg, Guy Vidal-Naquet, Martin Wirsing, editors, STACS 87, 4th Annual Symposium on Theoretical Aspects of Computer Science, Passau, Germany, February 19-21, 1987, Proceedings. Volume 247 of Lecture Notes in Computer Science, pages 360-370, Springer, 1987.
Abstract is missing.