@article{DCG_1994__12_1_131331,
     author = {A. Aggarwal and B. Schieber and T. Tokuyama},
     title = {Finding a {Minimum-Weight} {k-Link} {Path} in {Graphs} with the {Concave} {Monge} {Property} and {Applications.}},
     journal = {Discrete & computational geometry},
     pages = {263--280},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1994},
     zbl = {0819.68084},
     url = {http://geodesic.mathdoc.fr/item/DCG_1994__12_1_131331/}
}