On a class of functions attaining their maximum at the vertices of a polyhedron.

Fabio Tardella On a class of functions attaining their maximum at the vertices of a polyhedron. 191-195 1989 22 Discrete Applied Mathematics 2 http://dx.doi.org/10.1016/0166-218X(88)90093-5 db/journals/dam/dam22.html#Tardella89