Talk:Oscar Reutersvärd

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[edit] Was Escher inspired by Reutersvärd?

I found the following statement:

One of his better known works is the "impossible staircase", which was rediscovered and published by M.C. Escher and Roger Penrose in 1958. They had not known of Reutersvard's previous work.[1]

Does anyone know of a "reliable source" supporting the claim that Escher was inspired by Reutersvärd? Lambiam 02:21, 5 March 2006 (UTC)

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