@article{PMIHES_1959__2__5_0,
     author = {Nagata, Masayoshi},
     title = {On the closedness of singular loci},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {5--12},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {2},
     year = {1959},
     mrnumber = {106908},
     zbl = {0203.34803},
     language = {en},
     url = {http://archive.numdam.org/item/PMIHES_1959__2__5_0/}
}