OFFSET
4,3
REFERENCES
Bokowski, J.; Schuchert, P.; Equifacetted 3-spheres as topes of nonpolytopal matroid polytopes. Discrete Comput. Geom. 13 (1995), no. 3-4, 347-361.
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
STATUS
approved