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JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY, vol. 34, no. 4, page. 1065 - 1087, 1997-07
JOURNAL OF DIFFERENTIAL GEOMETRY, vol. 46, no. 3, page. 499 - 577, 1997-07
JOURNAL OF GEOMETRIC ANALYSIS, vol. 7, no. 2, page. 305 - 327, 1997-06