@article{DOCMA_2018__23__a28,
     author = {Romagny, Matthieu and Rydh, David and Zalamansky, Gabriel},
     title = {The {Complexity} of a {Flat} {Groupoid}},
     journal = {Documenta mathematica},
     pages = {1157--1196},
     publisher = {mathdoc},
     volume = {23},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2018__23__a28/}
}