@article{TAC_2009_22_a20,
     author = {Richard Hepworth},
     title = {Vector fields and flows on differentiable stacks},
     journal = {Theory and applications of categories},
     pages = {542--587},
     publisher = {mathdoc},
     volume = {22},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2009_22_a20/}
}