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CHARACTERIZATION OF CYCLE OBSTRUCTION SETS FOR IMPROPER COLORING PLANAR GRAPHS Choi, Ilkyoo; Liu, Chun-Hung; Oum, Sang-il, SIAM JOURNAL ON DISCRETE MATHEMATICS, v.32, no.2, pp.1209 - 1228, 2018-06 |
Improper Coloring of Sparse Graphs with a Given Girth, II: Constructions Kim, Jaehoon; Kostochka, Alexandr; Zhu, Xuding, JOURNAL OF GRAPH THEORY, v.81, no.4, pp.403 - 413, 2016-04 |
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