@article{MZ_1983__183_173327,
     author = {Tosio Kato},
     title = {Holomorphic {Families} of {Dirac} {Operators.}},
     journal = {Mathematische Zeitschrift},
     pages = {399--406},
     publisher = {mathdoc},
     volume = {183},
     year = {1983},
     zbl = {0515.47006},
     url = {http://geodesic.mathdoc.fr/item/MZ_1983__183_173327/}
}