@article{TAC_2017_32_a23,
     author = {Anders Kock},
     title = {Metric spaces and {SDG}},
     journal = {Theory and applications of categories},
     pages = {803--822},
     publisher = {mathdoc},
     volume = {32},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2017_32_a23/}
}