@article{CTGDC_1975__16_2_169_0,
     author = {Baumgartner, Karlheinz},
     title = {Structure of additive categories},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {169--213},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {16},
     number = {2},
     year = {1975},
     mrnumber = {409600},
     zbl = {0365.18014},
     language = {en},
     url = {http://archive.numdam.org/item/CTGDC_1975__16_2_169_0/}
}