Emelichev, Vladimir A., and Andrey A. Platonov. “About One Discrete Analog of Hausdorff Semi-Continuity of Suitable Mapping in a Vector Combinatorial Problem With a Parametric Principle of Optimality (‘from Slater to lexicographic’)”. Rev. Anal. Numér. Théor. Approx. 35, no. 2 (August 1, 2006): 131–139. Accessed November 22, 2024. https://ictp.acad.ro/jnaat/journal/article/view/2006-vol35-no2-art1.