%0 Journal Article %A Menon, M. V. %T Matrix Links, An Extremization Problem, and the Reduction of a Non-Negative Matrix to One With Prescribed Row and Column Sums %J Canadian journal of mathematics %D 1968 %P 225-232 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-021-9/ %R 10.4153/CJM-1968-021-9 %F 10_4153_CJM_1968_021_9