Ntoukam, E. D. Ngounou, et al. “A Permission-Based Distributed Mutual Exclusion Algorithm Allowing Quality of Service (PBDMEAQoS)”. EAI Endorsed Transactions on Cloud Systems, vol. 3, no. 10, Dec. 2017, p. e1, https://doi.org/10.4108/eai.20-12-2017.153491.