DUKE MATHEMATICAL JOURNAL, vol. 130, no. 2, page. 199 - 295, 2005-11-01
JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY, vol. 42, no. 1, page. 65 - 83, 2005-11
INVENTIONES MATHEMATICAE, vol. 161, no. 2, page. 287 - 360, 2005-08