On the Complexity of Removing Z-Cycles from a Checkpoints and Communication Pattern.

Luca Allulli Roberto Baldoni Luigi Laura Sara Tucci Piergiovanni On the Complexity of Removing Z-Cycles from a Checkpoints and Communication Pattern. 853-858 2007 56 IEEE Trans. Computers 6 http://dx.doi.org/10.1109/TC.2007.1044 db/journals/tc/tc56.html#AllulliBLP06