Ψ-Vlasov equation E. E. Perepelkin, B. I. Sadovnikov, N. G. Inozemtseva and I. I. Aleksandrov Eur. Phys. J. Plus, 137 12 (2022) 1385 Published online: 29 December 2022 DOI: 10.1140/epjp/s13360-022-03614-6