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"Minimal Obstructions for 1-Immersions and Hardness of 1-Planarity Testing."
Vladimir P. Korzhik, Bojan Mohar (2008)
- Vladimir P. Korzhik, Bojan Mohar:
Minimal Obstructions for 1-Immersions and Hardness of 1-Planarity Testing. GD 2008: 302-312
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