Xerox AMS notes and calculations by AMT, 'Two contour-integral proofs', 'Ingham's proof', and 'Another proof'. Pages numbered 3 and 4. Page 3 has MS note by Good, 'A note by Turing for I.J. Good, c. 1943'. Page 4 is addressed, 'Dr I.J. Good, Hut 11' [at Bletchley Park]. Copies made available by I.J. Good from his own archives.
Paper, 2 sh. in envelope.
Keywords: 'Another proof'; Good, Irving John (Jack); 'Ingham's proof'; 'Two contour-integral parts'
Provenance: received from Prof. I.J. Good in 1979, photocopied from originals in his possession
Copyright: Copyright © P. N. Furbank. Reproduced with permission from I. J. Good.