@article{MAN_1986__274_164127,
     author = {Robert Friedmann},
     title = {Simultaneous {Resolution} of {Threefold} {Double} {Points.}},
     journal = {Mathematische Annalen},
     pages = {671--690},
     publisher = {mathdoc},
     volume = {274},
     year = {1986},
     zbl = {0576.14013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1986__274_164127/}
}