Proceeding of American Mathematics Soceity, vol. 138, no. 5, page. 1575 - 1580, 2010-05
Mathematische Zeitschrift, vol. 273, no. 1-2, page. 283 - 302, 2013-02
Geometriae dedicata, vol. 152, no. 1, page. 129 - 145, 2011-06
New York Journal of Mathematics, vol. 21, page. 129 - 150, 2015-01
Geometry and Topology, vol. 15, no. 4, page. 1883 - 1925, 2011-01
Geometry and topology, vol. 15, no. 4, page. 1927 - 1981, 2011-01
Geometric and Functional Analysis, vol. 21, no. 4, page. 951 - 1000, 2011-08
Linear algebra and its applications, vol. 347, page. 131 - 157, 2002-05-15