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"On planar and non-planar graphs having no chromatic zeros in the interval ..."
Feng Ming Dong, Khee Meng Koh (2008)
- Feng Ming Dong, Khee Meng Koh:
On planar and non-planar graphs having no chromatic zeros in the interval (1, 2). Discret. Math. 308(17): 3897-3905 (2008)
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