by Kwan, Y. H., Wagner, G., Soejima, T., Zaletel, M. P., Simon, S. H., Parameswaran, S. A., Bultinck, N.
Published in Physical review. X (01.12.2021)

by Bultinck, N., Mariën, M., Williamson, D.J., Şahinoğlu, M.B., Haegeman, J., Verstraete, F.
Published in Annals of physics (01.03.2017)