@article{10_37236_4181,
     author = {Seyed Hadi Afzali Borujeni and Hiu-Fai Law and Malte M\"uller},
     title = {Infinite gammoids},
     journal = {The electronic journal of combinatorics},
     year = {2015},
     volume = {22},
     number = {1},
     doi = {10.37236/4181},
     zbl = {1308.05030},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4181/}
}