1. A. Bachem, M. Grötschel, B. Korte (eds.), Mathematical Programming, The State of Art, Springer V., Berlin, 1983.
2. T. Bonnesen, W. Fenchel, Theorie der konvexen Körper, Springer V., Berlin, 1934.
3. Lect. Notes in Economics and Mathematical Systems,1985
4. A. V. Fiacco, Introduction to Sensitivity and Stability Analysis in Nonlinear Programming, Academic Press, New York, 1983.
5. N. Karmarkar, A new polynomial-time algorithm for linear programming, Combinatica 3. (4) (1984) pp. 373–395.