@article{MAN_1996__304_4_165422,
     author = {Peter Dr\"axler},
     title = {Generalized one-point extensions.},
     journal = {Mathematische Annalen},
     pages = {645--668},
     publisher = {mathdoc},
     volume = {304},
     number = {4},
     year = {1996},
     zbl = {0843.16013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1996__304_4_165422/}
}