JOURNAL OF GEOMETRIC ANALYSIS, vol. 20, no. 4, page. 787 - 816, 2010-10
QUANTUM INFORMATION PROCESSING, vol. 9, no. 3, page. 321 - 341, 2010-06
CENTRAL EUROPEAN JOURNAL OF MATHEMATICS, vol. 7, no. 1, page. 1 - 45, 2009-03
JOURNAL OF PURE AND APPLIED ALGEBRA, vol. 208, no. 1, page. 361 - 369, 2007-01
JOURNAL OF NUMBER THEORY, vol. 122, no. 1, page. 1 - 12, 2007-01
MANUSCRIPTA MATHEMATICA, vol. 121, no. 4, page. 451 - 456, 2006-12
GEOMETRIAE DEDICATA, vol. 121, no. 1, page. 205 - 219, 2006-08
JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, vol. 600, page. 81 - 116, 2006-01
THEORETICAL COMPUTER SCIENCE, vol. 320, no. 2-3, page. 465 - 483, 2004-06-14
COMMUNICATIONS IN ALGEBRA, vol. 31, no. 12, page. 5755 - 5768, 2003-01
SBORNIK MATHEMATICS, vol. 193, no. 5-6, page. 779 - 789, 2002-05
JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, vol. 538, page. 213 - 221, 2001-09-30
MANUSCRIPTA MATHEMATICA, vol. 95, no. 1, page. 33 - 45, 1998-01