BibTex format
@article{Di:2020:10.1109/JSAC.2020.3000813,
author = {Di, B and Zhang, H and Song, L and Li, Y and Han, Z and Poor, HV},
doi = {10.1109/JSAC.2020.3000813},
journal = {IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS},
pages = {1809--1822},
title = {Hybrid Beamforming for Reconfigurable Intelligent Surface based Multi-User Communications: Achievable Rates With Limited Discrete Phase Shifts},
url = {http://dx.doi.org/10.1109/JSAC.2020.3000813},
volume = {38},
year = {2020}
}