Imre Bárány. Tensors, colours, octahedra. In Jirí Matousek, Jaroslav Nesetril, Marco Pellegrini, editors, Geometry, Structure and Randomness in Combinatorics. Volume 18 of Centro di Ricerca Matematica Ennio De Giorgi (CRM) Series, pages 1-17, Springer, 2014. [doi]
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