@article{10_4153_S0008414X20000784,
     author = {Hoehn, L. C. and Oversteegen, L. G. and Tymchatyn, E. D.},
     title = {Shortest paths in arbitrary plane domains},
     journal = {Canadian journal of mathematics},
     pages = {349--367},
     year = {2022},
     volume = {74},
     number = {2},
     doi = {10.4153/S0008414X20000784},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X20000784/}
}