BRUGGESSER, H.; MANI, P. Shellable Decompositions of Cells and Spheres. MATHEMATICA SCANDINAVICA, [S. l.], v. 29, p. 197–205, 1971. DOI: 10.7146/math.scand.a-11045. Disponível em: https://www.mscand.dk/article/view/11045. Acesso em: 28 mar. 2024.