Cite
On minimal elements of upward-closed sets
MLA
Yen, Hsu-Chun, and Chien-Liang Chen. “On Minimal Elements of Upward-Closed Sets.” Theoretical Computer Science, vol. 410, no. 24/25, May 2009, pp. 2442–52. EBSCOhost, https://doi.org/10.1016/j.tcs.2009.02.036.
APA
Yen, H.-C., & Chen, C.-L. (2009). On minimal elements of upward-closed sets. Theoretical Computer Science, 410(24/25), 2442–2452. https://doi.org/10.1016/j.tcs.2009.02.036
Chicago
Yen, Hsu-Chun, and Chien-Liang Chen. 2009. “On Minimal Elements of Upward-Closed Sets.” Theoretical Computer Science 410 (24/25): 2442–52. doi:10.1016/j.tcs.2009.02.036.