2 citations to https://www.mathnet.ru/eng/semr247

1. Lopatin A.A., Shestakov I.P., “Associative Nil-Algebras Over Finite Fields”, Int. J. Algebr. Comput., 23:8 (2013), 1881–1894          
2. Lopatin A.A., “Minimal generating set for semi-invariants of quivers of dimension two”, Linear Algebra Appl., 434:8 (2011), 1920–1944