COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, vol. 47, no. 9, page. 761 - 768, 2002-04
FORUM MATHEMATICUM, vol. 14, no. 5, page. 775 - 795, 2002-01
MICHIGAN MATHEMATICAL JOURNAL, vol. 50, no. 3, page. 507 - 515, 2002-01
Journal of Geometric Analysis, vol. 12, no. 4, page. 581 - 599, 2002-01
TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, vol. 354, no. 7, page. 2797 - 2818, 2002-01