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 | 2000 | |
|---|---|---|
| 2 |      | Pentti Haukkanen: On a generalized convolution of incidence functions. Discrete Mathematics 215: 103-113 (2000) |
| 1995 | ||
| 1 | | Pentti Haukkanen: An abstract Möbius inversion formula with number-theoretic applications. Discrete Mathematics 142(1-3): 87-96 (1995) |