2 citations to https://www.mathnet.ru/rus/ljm208

1. Anton Trushechkin, “Long-term behaviour in an exactly solvable model of pure decoherence and the problem of Markovian embedding”, Mathematics, 12:1 (2024), 1–18    
2. Anton Trushechkin, “Quantum master equations and steady states for the ultrastrong-coupling limit and the strong-decoherence limit”, Phys. Rev. A, 106:4 (2022), 42209–20