The primal-dual method for approximation algorithms.

MLA

Williamson, David P. “The Primal-Dual Method for Approximation Algorithms.” Mathematical Programming, vol. 91, no. 3, Feb. 2002, p. 447. EBSCOhost, https://doi.org/10.1007/s101070100262.

APA

Williamson, D. P. (2002). The primal-dual method for approximation algorithms. Mathematical Programming, 91(3), 447. https://doi.org/10.1007/s101070100262

Chicago

Williamson, David P. 2002. “The Primal-Dual Method for Approximation Algorithms.” Mathematical Programming 91 (3): 447. doi:10.1007/s101070100262.