Julián Mestre. On the multi-radius cover problem. Inf. Process. Lett., 99(5):195-198, 2006. [doi]
@article{Mestre06:1, title = {On the multi-radius cover problem}, author = {Julián Mestre}, year = {2006}, doi = {10.1016/j.ipl.2006.04.012}, url = {http://dx.doi.org/10.1016/j.ipl.2006.04.012}, researchr = {https://researchr.org/publication/Mestre06%3A1}, cites = {0}, citedby = {0}, journal = {Inf. Process. Lett.}, volume = {99}, number = {5}, pages = {195-198}, }