@article{10_4007_annals_2013_177_3_3,
     author = {Brendan Hassett and Donghoon Hyeon},
     title = {Log minimal model program for the  moduli space of stable curves: the first flip},
     journal = {Annals of mathematics},
     pages = {911--968},
     publisher = {mathdoc},
     volume = {177},
     number = {3},
     year = {2013},
     doi = {10.4007/annals.2013.177.3.3},
     mrnumber = {3034291},
     zbl = {06176985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2013.177.3.3/}
}