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Toroidal graphs containing neither K-5(-) nor 6-cycles are 4-choosable Choi, Ilkyoo, JOURNAL OF GRAPH THEORY, v.85, no.1, pp.172 - 186, 2017-05 |
Vertex arboricity of toroidal graphs with a forbidden cycle Choi, Ilkyoo; Zhang, Haihui, DISCRETE MATHEMATICS, v.333, pp.101 - 105, 2014-10 |
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