@article{10_4153_CMB_1975_029_7,
     author = {Murphy, I. S.},
     title = {A {Note} on a {Matrix} {Result} of {Ryser}},
     journal = {Canadian mathematical bulletin},
     pages = {149--150},
     year = {1975},
     volume = {18},
     number = {1},
     doi = {10.4153/CMB-1975-029-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-029-7/}
}