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"Plane Graphs without 4- and 5-Cycles and without Ext-Triangular 7-Cycles ..."
Ligang Jin et al. (2017)
- Ligang Jin, Ying-li Kang, Michael Schubert, Yingqian Wang:
Plane Graphs without 4- and 5-Cycles and without Ext-Triangular 7-Cycles are 3-Colorable. SIAM J. Discret. Math. 31(3): 1836-1847 (2017)
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