@techreport{watel:hal-00793424, TITLE = {{Inapproximability proof of DSTLB and USTLB in planar graphs}}, AUTHOR = {Watel, Dimitri and Weisser, Marc-Antoine and Bentz, C{\'e}dric}, URL = {https://centralesupelec.hal.science/hal-00793424}, YEAR = {2013}, MONTH = Feb, PDF = {https://centralesupelec.hal.science/hal-00793424v1/file/planarcasinapprox.pdf}, HAL_ID = {hal-00793424}, HAL_VERSION = {v1}, }