BERG, Christian. Shepard’s Approximation Theorem for Convex Bodies and the Milman Theorem. Mathematica Scandinavica, Berkeley, CA, United States, v. 25, p. 19–24, 1969. DOI: 10.7146/math.scand.a-10936. Disponível em: https://journals.msp.org/mscand/article/view/2407. Acesso em: 25 jul. 2026.