@article{10_4153_CMB_2011_096_4,
     author = {Li, Hanfeng},
     title = {Smooth {Approximation} of {Lipschitz} {Projections}},
     journal = {Canadian mathematical bulletin},
     pages = {762--766},
     year = {2012},
     volume = {55},
     number = {4},
     doi = {10.4153/CMB-2011-096-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-096-4/}
}