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"Sparse Distance Preservers and Additive Spanners."
Béla Bollobás, Don Coppersmith, Michael Elkin (2005)
- Béla Bollobás, Don Coppersmith, Michael Elkin:
Sparse Distance Preservers and Additive Spanners. SIAM J. Discret. Math. 19(4): 1029-1055 (2005)
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