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://tidsskrift.dk/math/article/view/11045. Acesso em: 14 aug. 2026.