Tables of the generalized exponential-integral functions. Compiled by Howard Hathaway Aiken, Grace Murray Hopper & John Allen Harr.
R654515. Tables of the generalized exponential-integral functions. Compiled by Howard Hathaway Aiken, Grace Murray Hopper & John Allen Harr. © 31Dec49; A39719. The President and Fellows of Harvard College (PWH); 17Feb77; R654515.
The President and Fellows of Harvard College|PWH