@article{IM_1983__71_143008,
     author = {M. Freedman and J. Hass and P. Scott},
     title = {Least {Area} {Incompressible} {Surfaces} in {3-Manifolds.}},
     journal = {Inventiones mathematicae},
     pages = {609--642},
     publisher = {mathdoc},
     volume = {71},
     year = {1983},
     zbl = {0482.53045},
     url = {http://geodesic.mathdoc.fr/item/IM_1983__71_143008/}
}