The following publications are possibly variants of this publication:
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- On factors of 4-connected claw-free graphsH. J. Broersma, Matthias Kriesell, Zdenek Ryjácek. jgt, 37(2):125-136, 2001. [doi]
- Connected even factors in claw-free graphsMingChu Li, Liming Xiong, H. J. Broersma. DM, 308(11):2282-2284, 2008. [doi]