2 citations to https://www.mathnet.ru/eng/vngu121

1. E. N. Poroshenko, E. I. Timoshenko, “Partially commutative groups and Lie algebras”, Sib. elektron. matem. izv., 18:1 (2021), 668–693    
2. E. I. Timoshenko, “Automorphisms of partially commutative metabelian groups”, Algebra and Logic, 59:2 (2020), 165–179