@article{JCA_2019_26_4_JCA_2019_26_4_a4,
     author = {N. N. Hai and P. T. An and P. T. T. Huyen},
     title = {Shortest {Paths} along a {Sequence} of {Line} {Segments} in {Euclidean} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {1089--1112},
     year = {2019},
     volume = {26},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JCA_2019_26_4_JCA_2019_26_4_a4/}
}