Freund, Robert M., and Jorge R. Vera. Mathematical Programming Vol. 86, No. 2 (1999): 225-260. Working Paper.
Freund, Robert M., and Jorge R. Vera. SIAM Journal on Optimization Vol. 10, No. 1 (1999): 155-176. Working Paper.
Nunez, Manuel A., and Robert M. Freund. Mathematical Programming Vol. 83, No. 1 (1998): 1-28. Working Paper.
Edgar Osuna, Robert M. Freund, and Federico Girosi. In Neural Networks for Signal Processing VII: Proceedings of the 1997 IEEE Signal Processing Society Workshop, edited by Elizabeth Wilson, Jose Principe, Lee Gile , and Nelson Morgan. New York, NY: September 1997. Working Paper.
Edgar Osuna, Robert M. Freund, and Federico Girosi. In Proceedings of 1997 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, edited by Deborah Plummer and Ian Torwick. Los Alamitos, CA: June 1997.
Freund, Robert M. Annals of Operations Research Vol. 62, No. 1 (1996): 29-58.