@article{10_4064_fm220_3_2,
     author = {Eric J. Hall and Saharon Shelah},
     title = {Partial choice functions for families of finite sets},
     journal = {Fundamenta Mathematicae},
     pages = {207--216},
     publisher = {mathdoc},
     volume = {220},
     number = {3},
     year = {2013},
     doi = {10.4064/fm220-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm220-3-2/}
}