Tomoko Izumi, Taisuke Izumi, Hirotaka Ono, Koichi Wada. Approximability and inapproximability of the minimum certificate dispersal problem. Theoretical Computer Science, 411(31-33):2773-2783, 2010. [doi]
@article{IzumiIOW10, title = {Approximability and inapproximability of the minimum certificate dispersal problem}, author = {Tomoko Izumi and Taisuke Izumi and Hirotaka Ono and Koichi Wada}, year = {2010}, doi = {10.1016/j.tcs.2010.03.029}, url = {http://dx.doi.org/10.1016/j.tcs.2010.03.029}, tags = {certification}, researchr = {https://researchr.org/publication/IzumiIOW10}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {411}, number = {31-33}, pages = {2773-2783}, }