• Bulletin of the Korean Mathematical Society
• /
• v.35 no.3
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• pp.559-562
• /
• 1998

We prove the $C^r$ Closing Lemma for chain recurrence in compact surfaces.

• Journal of the Korean Mathematical Society
• /
• v.32 no.1
• /
• pp.109-114
• /
• 1995

Before state precisely our main theorem, we want to make some brief historical comment.

• Journal of the Chungcheong Mathematical Society
• /
• v.9 no.1
• /
• pp.199-207
• /
• 1996