References

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Lovelace, Augusta Ada. “Sketch of the Analytical Engine Invented by Charles Babbage, by LF Menabrea, Officer of the Military Engineers, with Notes Upon the Memoir by the Translator.” Taylor’s Scientific Memoirs 3 (1842): 666–731.
Turing, Alan Mathison. “On Computable Numbers, with an Application to the Entscheidungsproblem.” Journal of Math 58, nos. 345-363 (1936): 230–65.