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| 1999 | ||
|---|---|---|
| 2 | Todd Cochrane, Robert E. Dressler: Gaps between integers with the same prime factors. Math. Comput. 68(225): 395-401 (1999) | |
| 1975 | ||
| 1 | EE | Robert E. Dressler, S. Thomas Parker: Primes with a Prime Subscript. J. ACM 22(3): 380-381 (1975) |
| 1 | Todd Cochrane | [2] |
| 2 | S. Thomas Parker | [1] |