@article{10_4064_cm_41_1_141_145,
     author = {Miroslaw Arczy\'nski and Mieczys{\l}aw Borowiecki and Maciej M. Sys{\l}o},
     title = {On {Hallian} digraphs, permanents and transversals},
     journal = {Colloquium Mathematicum},
     pages = {141--145},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1979},
     doi = {10.4064/cm-41-1-141-145},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-41-1-141-145/}
}