@article{IM_1976__36_142420,
     author = {Dennis Sullivan},
     title = {Cycles for the {Dynamical} {Study} of {Foliated} {Manifolds} and {Complex} {Manifolds.}},
     journal = {Inventiones mathematicae},
     pages = {225--256},
     publisher = {mathdoc},
     volume = {36},
     year = {1976},
     zbl = {0335.57015},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__36_142420/}
}