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JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, vol. 635, page. 213 - 235, 2009-10
APPLIED MATHEMATICS LETTERS, vol. 22, no. 10, page. 1604 - 1608, 2009-10
EUROPEAN JOURNAL OF COMBINATORICS, vol. 30, no. 5, page. 1164 - 1171, 2009-07
EUROPEAN JOURNAL OF COMBINATORICS, vol. 30, no. 3, page. 668 - 673, 2009-04
EUROPEAN JOURNAL OF COMBINATORICS, vol. 30, no. 3, page. 638 - 654, 2009-04
APPLIED MATHEMATICS LETTERS, vol. 22, no. 2, page. 159 - 162, 2009-02
APPLIED MATHEMATICS LETTERS, vol. 21, no. 12, page. 1306 - 1309, 2008-12
LINEAR ALGEBRA AND ITS APPLICATIONS, vol. 429, no. 11-12, page. 2678 - 2686, 2008-12-01
EUROPEAN JOURNAL OF COMBINATORICS, vol. 29, no. 7, page. 1617 - 1633, 2008-10
JOURNAL OF ALGEBRA, vol. 320, no. 5, page. 1878 - 1886, 2008-09-01
DISCRETE MATHEMATICS, vol. 308, no. 14, page. 2925 - 2925, 2008-07-28
EUROPEAN JOURNAL OF COMBINATORICS, vol. 29, no. 5, page. 1186 - 1199, 2008-07
APPLIED MATHEMATICS LETTERS, vol. 21, no. 6, page. 545 - 548, 2008-06
ELECTRONIC JOURNAL OF COMBINATORICS, vol. 15, no. 1, 2008-03-20
EUROPEAN JOURNAL OF COMBINATORICS, vol. 29, no. 2, page. 443 - 456, 2008-02
EUROPEAN JOURNAL OF COMBINATORICS, vol. 29, no. 1, page. 193 - 207, 2008-01
EUROPEAN JOURNAL OF COMBINATORICS, vol. 28, no. 7, page. 2026 - 2052, 2007-10
DISCRETE & COMPUTATIONAL GEOMETRY, vol. 38, no. 3, page. 605 - 614, 2007-10
JOURNAL OF ALGEBRAIC COMBINATORICS, vol. 25, no. 4, page. 459 - 471, 2007-06