@article{10_4064_fm_120_1_1_5,
     author = {V. Bryant},
     title = {Undirected strict gammoids},
     journal = {Fundamenta Mathematicae},
     pages = {1--5},
     publisher = {mathdoc},
     volume = {120},
     number = {1},
     year = {1984},
     doi = {10.4064/fm-120-1-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-120-1-1-5/}
}