T. S. Michael, Val Pinciu. Art gallery theorems for guarded guards. Comput. Geom., 26(3):247-258, 2003. [doi]
@article{MichaelP03, title = {Art gallery theorems for guarded guards}, author = {T. S. Michael and Val Pinciu}, year = {2003}, doi = {10.1016/S0925-7721(03)00039-7}, url = {http://dx.doi.org/10.1016/S0925-7721(03)00039-7}, researchr = {https://researchr.org/publication/MichaelP03}, cites = {0}, citedby = {0}, journal = {Comput. Geom.}, volume = {26}, number = {3}, pages = {247-258}, }