@article{10_4153_CJM_1966_076_6,
     author = {Wilf, Herbert S.},
     title = {On the {Permanent} of a {Doubly} {Stochastic} {Matrix}},
     journal = {Canadian journal of mathematics},
     pages = {758--761},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-076-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-076-6/}
}