@article{10_4153_CMB_2001_049_6,
     author = {Wang, Weiqiang},
     title = {Resolution of {Singularities} of {Null} {Cones}},
     journal = {Canadian mathematical bulletin},
     pages = {491--503},
     year = {2001},
     volume = {44},
     number = {4},
     doi = {10.4153/CMB-2001-049-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2001-049-6/}
}