@article{MZ_1963__82_170183,
     author = {Wolfgang Gasch\"utz and Ursula Lubeseder},
     title = {Kennzeichnung ges\"attigter {Formationen.}},
     journal = {Mathematische Zeitschrift},
     pages = {198--199},
     publisher = {mathdoc},
     volume = {82},
     year = {1963},
     zbl = {0116.25603},
     url = {http://geodesic.mathdoc.fr/item/MZ_1963__82_170183/}
}