@article{MAN_1978__232_163070,
     author = {Henry Pinkham},
     title = {Deformations of {Normal} {Surface} {Singularities} with {C*} {Action.}},
     journal = {Mathematische Annalen},
     pages = {65--84},
     year = {1978},
     volume = {232},
     zbl = {0351.14004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__232_163070/}
}