@article{10_4153_CMB_1960_029_5,
     author = {Johnson, Diane M. and Dulmage, A. L. and Mendelsohn, N. S.},
     title = {On an {Algorithm} of {G.} {Birkhoff} {Concerning} {Doubly} {Stochastic} {Matrices}},
     journal = {Canadian mathematical bulletin},
     pages = {237--242},
     year = {1960},
     volume = {3},
     number = {3},
     doi = {10.4153/CMB-1960-029-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1960-029-5/}
}