The "Acknowledgment" for this essay in The Science Fiction Roll of Honor is "Copyright (c) 1967 by Willy Ley. Reprinted by permission of Pyramid Publications ...." Based on that, this essay about asymptotic infinite series was possibly reprinted from Willy Ley's 1967 Pyramid paperback "The Borders of Mathematics".
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1975 |
|
The Science Fiction Roll of Honor | Random House / BOMC | Anthology | 217 |
| October 1975 |
|
The Science Fiction Roll of Honor | Random House | Anthology | 217 |