My own double impossible staircase -a tribute to M.C. Escher- [Mon escalier doublement impossible -un hommage à M.C. Escher-].




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(CMAP28 WWW site: this page was created on 09/14/1974 and last updated on 07/08/2018 14:20:57 -CEST-)



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Copyright (c) Jean-François Colonna, 1974-2018.
Copyright (c) France Telecom R&D and CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641 / Ecole Polytechnique, 1974-2018.