@article{SIGMA_2016_12_a113,
     author = {Anthony D. Blaom},
     title = {Cartan {Connections} on {Lie} {Groupoids} and their {Integrability}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2016},
     volume = {12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a113/}
}