McMullen, P., & Shephard, G. C. (1971). Convex polytopes and the upper bound conjecture.
Chicago Edition CitationMcMullen, P., and G C. Shephard. Convex Polytopes and the Upper Bound Conjecture. Cambridge University Press, Cambridge, 1971.
MLA Edition CitationMcMullen, P., and G C. Shephard. Convex Polytopes and the Upper Bound Conjecture. 1971.
Warning: These citations may not always be 100% accurate.