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Lopatin A.A., “Minimal generating set for semi-invariants of quivers of dimension two”, Linear Algebra Appl, 434:8 (2011), 1920–1944
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Lopatin A.A., “Indecomposable Invariants of Quivers for Dimension (2,...,2) and Maximal Paths”, Comm Algebra, 38:10 (2010), 3539–3555
Lopatin A.A., “Invariants of quivers under the action of classical groups”, Journal of Algebra, 321:4 (2009), 1079–1106
Lopatin A.A., Zubkov A.N., “Semi-invariants of mixed representations of quivers”, Transformation Groups, 12:2 (2007), 341–369
Lopatin A.A., “The algebra of invariants of 3 x 3 matrices over a field of arbitrary characteristic”, Communications in Algebra, 32:7 (2004), 2863–2883