@article{10_1090_S0894_0347_99_00286_6,
     author = {Koll\~A{\textexclamdown}r, J\~A{\textexclamdown}nos},
     title = {Real algebraic threefolds {II.} {Minimal} model program},
     journal = {Journal of the American Mathematical Society},
     pages = {33--83},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1999},
     doi = {10.1090/S0894-0347-99-00286-6},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-99-00286-6/}
}