@article{HHA_2003_5_1_a1,
     author = {Ronald Brown and Philip J. Higgins},
     title = {Cubical abelian groups with connections are equivalent to chain complexes},
     journal = {Homology, homotopy, and applications},
     pages = {49--52},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2003},
     doi = {10.4310/HHA.2003.v5.n1.a2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4310/HHA.2003.v5.n1.a2/}
}