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"Vertex insertion approximates the crossing number of apex graphs."
Markus Chimani, Petr Hlinený, Petra Mutzel (2012)
- Markus Chimani, Petr Hlinený
, Petra Mutzel
:
Vertex insertion approximates the crossing number of apex graphs. Eur. J. Comb. 33(3): 326-335 (2012)
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