@article{10_4153_CJM_1977_058_8,
     author = {Fischer, Pal and Holbrook, John A. R.},
     title = {Matrices {Doubly} {Stochastic} by {Blocks}},
     journal = {Canadian journal of mathematics},
     pages = {559--577},
     year = {1977},
     volume = {29},
     number = {3},
     doi = {10.4153/CJM-1977-058-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-058-8/}
}