Jean-Lou De Carufel, Carsten Grimm, Anil Maheshwari, Megan Owen, Michiel H. M. Smid. A note on the unsolvability of the weighted region shortest path problem. Comput. Geom., 47(7):724-727, 2014. [doi]
@article{CarufelGMOS14,
title = {A note on the unsolvability of the weighted region shortest path problem},
author = {Jean-Lou De Carufel and Carsten Grimm and Anil Maheshwari and Megan Owen and Michiel H. M. Smid},
year = {2014},
doi = {10.1016/j.comgeo.2014.02.004},
url = {http://dx.doi.org/10.1016/j.comgeo.2014.02.004},
researchr = {https://researchr.org/publication/CarufelGMOS14},
cites = {0},
citedby = {0},
journal = {Comput. Geom.},
volume = {47},
number = {7},
pages = {724-727},
}