The following publications are possibly variants of this publication:
- An ellipsoid algorithm for nonlinear programmingJoseph G. Ecker, Michael Kupferschmid. mp, 27(1):83-106, 1983. [doi]
- Active set strategies in an ellipsoid algorithm for nonlinear programmingEdgar K. Rugenstein, Michael Kupferschmid. cor, 31(6):941-962, 2004. [doi]
- A numerical investigation of rank-two ellipsoid algorithms for nonlinear programmingAhmed Ech-Cherif, Joseph G. Ecker, Michael Kupferschmid. mp, 43(1-3):87-95, 1989. [doi]