Relation between full NEGF, non-Markovian and Markovian transport equations V. Špička, B. Velický and A. Kalvová Eur. Phys. J. Spec. Top., 230 4 (2021) 771-808 Published online: 29 April 2021 DOI: 10.1140/epjs/s11734-021-00109-w