@article{MAN_1979__242_163277,
     author = {Klaus J\"anich},
     title = {Global {Families} of {Local} {Unfoldings.}},
     journal = {Mathematische Annalen},
     pages = {147--158},
     publisher = {mathdoc},
     volume = {242},
     year = {1979},
     zbl = {0394.58007},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__242_163277/}
}