@article{BAG_1987__24_138360,
     author = {J\"urgen Schreckenberger},
     title = {Zur {Axiomatik} von {Kategorien} partieller {Morphismen}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {83--98},
     publisher = {mathdoc},
     volume = {24},
     year = {1987},
     zbl = {0617.18005},
     url = {http://geodesic.mathdoc.fr/item/BAG_1987__24_138360/}
}