@article{10_37236_84,
     author = {Sara C. Billey and Stephen A. Mitchell},
     title = {Affine partitions and affine {Grassmannians}},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {2},
     doi = {10.37236/84},
     zbl = {1286.05179},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/84/}
}