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"A polynomial-time approximation scheme for Steiner tree in planar graphs."
Glencora Borradaile, Claire Kenyon-Mathieu, Philip N. Klein (2007)
- Glencora Borradaile, Claire Kenyon-Mathieu, Philip N. Klein:
A polynomial-time approximation scheme for Steiner tree in planar graphs. SODA 2007: 1285-1294
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