
Handwritten manuscript signed, one page, 4 x 6 inch, Buffalo, 15.07.1993, scientific manuscript with formulas, written and signed in blue ballpoint ink "Herbert Hauptman", attractively mounted (removable) for display with a photograph, shows Herbert A. Hauptman in a chest-up portrait (altogether 11,75 x 8,25 inch), in very fine condition.
In parts:
"[...] N is the number of Atoms, assumed identical, in the unit cell of a Crystal, and Iα is the Modified Bessel Function."
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