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"A Lower Bound for {a+b: a in A, b in B, and P(a, b) != 0}."
Hao Pan, Zhi-Wei Sun (2002)
- Hao Pan, Zhi-Wei Sun:
A Lower Bound for {a+b: a in A, b in B, and P(a, b) != 0}. J. Comb. Theory A 100(2): 387-393 (2002)

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