熊谷貞俊

1. Existence Theorems and a Solution Algorithm for Piecewise-Linear
   Resistor Networks, SIAM J. Math. Anal., Vol. 8, No. 1, pp. 69-99, 1977.
   
   

2. "Submarking Reachability of Marked Graphs, IEEE Trans. Circuits&Systems,
   Vol. CAS-24, No. 7, pp.159-164, 1984.
   
   

3. Handles and Reachability Analysis of Free Choice Nets,
   Lecture Notes in Computer Science 935, Springer-Verlag,
   pp.298-315, 1995