Sadfi, C., Penz, B., Rapine, C., Błażewicz, J., & Formanowicz, P. (2005). An improved approximation algorithm for the single machine total completion time scheduling problem with availability constraints. European journal of operational research, 161(1), 3-10. https://doi.org/10.1016/j.ejor.2003.08.026
Chicago Style (17th ed.) CitationSadfi, Cherif, Bernard Penz, Christophe Rapine, Jacek Błażewicz, and Piotr Formanowicz. "An Improved Approximation Algorithm for the Single Machine Total Completion Time Scheduling Problem with Availability Constraints." European Journal of Operational Research 161, no. 1 (2005): 3-10. https://doi.org/10.1016/j.ejor.2003.08.026.
MLA (9th ed.) CitationSadfi, Cherif, et al. "An Improved Approximation Algorithm for the Single Machine Total Completion Time Scheduling Problem with Availability Constraints." European Journal of Operational Research, vol. 161, no. 1, 2005, pp. 3-10, https://doi.org/10.1016/j.ejor.2003.08.026.