@article{10_2140_agt_2008_8_2391,
     author = {Choi, Suyoung},
     title = {The number of small covers over cubes},
     journal = {Algebraic and Geometric Topology},
     pages = {2391--2399},
     year = {2008},
     volume = {8},
     number = {4},
     doi = {10.2140/agt.2008.8.2391},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2008.8.2391/}
}