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"On the pseudo-achromatic number problem."
Jianer Chen et al. (2009)
- Jianer Chen, Iyad A. Kanj, Jie Meng, Ge Xia, Fenghui Zhang:
On the pseudo-achromatic number problem. Theor. Comput. Sci. 410(8-10): 818-829 (2009)
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