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Escher’s metaphors. (English)
Sci. Am. 271, No. 5, 48-53 (1994).
M. C. Escher’s impossible staircases and complex mosaics are more than a treat for the eyes. Although the artist claimed to be naive about formal mathematics, his drawings reveal a keen instinctive grasp of infinity, symmetry and other principles. (orig.)
Classification: M80
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