@article{10_4153_CJM_1975_042_7,
     author = {Vidyasankar, K. and Younger, D. H.},
     title = {A {Minimax} {Equality} {Related} to the {Longest} {Directed} {Path} in an {Acyclic} {Graph}},
     journal = {Canadian journal of mathematics},
     pages = {348--351},
     year = {1975},
     volume = {27},
     number = {2},
     doi = {10.4153/CJM-1975-042-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-042-7/}
}