@article{10_4153_CJM_1968_021_9,
     author = {Menon, M. V.},
     title = {Matrix {Links,} {An} {Extremization} {Problem,} and the {Reduction} of a {Non-Negative} {Matrix} to {One} {With} {Prescribed} {Row} and {Column} {Sums}},
     journal = {Canadian journal of mathematics},
     pages = {225--232},
     year = {1968},
     volume = {20},
     number = {1},
     doi = {10.4153/CJM-1968-021-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-021-9/}
}