@article{10_4153_CJM_1967_101_8,
     author = {Tutte, W. T.},
     title = {Antisymmetrical {Digraphs}},
     journal = {Canadian journal of mathematics},
     pages = {1101--1117},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-101-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-101-8/}
}