Dokuchaev, M.A.; Kirichenko, V.V.; Zelensky, A.V.; Zhuravlev, V.N.
(Algebra and Discrete Mathematics, 2005)
Let A = (aij ) be an integral matrix. We say that
A is (0, 1, 2)-matrix if aij ∈ {0, 1, 2}. There exists the Gorenstein
(0, 1, 2)-matrix for any permutation σ on the set {1, . . . , n} without fixed elements. For every ...