JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 293, no. 2, page. 663 - 676, 2004-05-15
TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, vol. 354, no. 7, page. 2797 - 2818, 2002-01
ILLINOIS JOURNAL OF MATHEMATICS, vol. 45, no. 4, page. 1273 - 1299, 2001-01
SIAM Journal on Mathematical Analysis, vol. 44, no. 5, page. 3127 - 3161, 2012-01
Transactions of the American Mathematical Society, vol. 367, no. 2, page. 867 - 885, 2015-02
BULLETIN OF THE LONDON MATHEMATICAL SOCIETY, vol. 44, page. 443 - 450, 2012-06
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 281, no. 2, page. 417 - 424, 2003-05-15
Zeitschrift für angewandte Mathematik und Physik, vol. 64, no. 4, page. 917 - 936, 2013-08
AMERICAN MATHEMATICAL MONTHLY, vol. 112, no. 7, page. 585 - 601, 2005-08
JOURNAL OF DIFFERENTIAL EQUATIONS, vol. 232, no. 2, page. 487 - 520, 2007-01-15