Martin
Kliesch
Roth, I., Kueng, R., Kimmel, S., Liu, Y.-K., Gross, D., Eisert, J., & Kliesch, M. (2018). Recovering quantum gates from few average gate fidelities. Phys. Rev. Lett., 121, 170502. http://doi.org/10.1103/PhysRevLett.121.170502 (Original work published March 2018)