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"Planar graphs without 4- and 5-cycles are acyclically 4-choosable."
Min Chen, André Raspaud (2013)
- Min Chen, André Raspaud:
Planar graphs without 4- and 5-cycles are acyclically 4-choosable. Discret. Appl. Math. 161(7-8): 921-931 (2013)
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