%0 Conference Paper %B 10th International Workshop on Discrete Event Systems (WODES’2010) %D 2010 %T An Algorithm to Compute the Minimal Siphons in $S^4PR$ Nets %A E. Cano %A C. Rovetto %A J.M. Colom %C Berlin, Germany %K Petri-nets %K Structural Analysis %K Siphons %K Graph Theory %K Strongly Connected Component %P 18-23 %8 08/2010