Cite
LEHMAN'S THEOREM AND THE DIRECTED STEINER TREE PROBLEM.
MLA
Abdi, Ahmad, et al. “Lehman’s Theorem and the Directed Steiner Tree Problem.” SIAM Journal on Discrete Mathematics, vol. 30, no. 1, Jan. 2016, pp. 141–53. EBSCOhost, https://doi.org/10.1137/15M1007185.
APA
Abdi, A., Feldmann, A. E., Guenin, B., Könemann, J., & Sanità, L. (2016). Lehman’s Theorem and the Directed Steiner Tree Problem. SIAM Journal on Discrete Mathematics, 30(1), 141–153. https://doi.org/10.1137/15M1007185
Chicago
Abdi, Ahmad, Andreas Emil Feldmann, Bertrand Guenin, Jochen Könemann, and Laura Sanità. 2016. “Lehman’s Theorem and the Directed Steiner Tree Problem.” SIAM Journal on Discrete Mathematics 30 (1): 141–53. doi:10.1137/15M1007185.