@inproceedings{inproceedings2529966b,
title   = {Formal theoretical study of entanglement in two-qubit systems and entanglement in QFT using existing exact solutions},
author = {Gitman, Dmitri Maximovitch and Shishmarev, A A and Castro, R A},
year = {2019},
publisher = {Sociedade Brasileira de Física},
booktitle   = {Reunião de Trabalho sobre Física Nuclear no Brasil}
}