@article{IM2_1970_4_2_a3,
     author = {I. M. Gel'fand and D. B. Fuchs},
     title = {Cohomology of the {Lie} algebra of formal vector fields},
     journal = {Izvestiya. Mathematics },
     pages = {327--342},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1970_4_2_a3/}
}