Geodesic
Cycles that represent cohomology classes of the Lie algebra of formal vector fields
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 25 (1970) no. 5 
I. M. Gel'fand; D. B. Fuchs. Cycles that represent cohomology classes of the Lie algebra of formal vector fields. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 25 (1970) no. 5. http://geodesic.mathdoc.fr/item/RM_1970_25_5_a14/
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     author = {I. M. Gel'fand and D. B. Fuchs},
     title = {Cycles that represent cohomology classes of the {Lie} algebra of formal vector fields},
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     year = {1970},
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     number = {5},
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] I. M. Gelfand, D. B. Fuks, “Kogomologii algebry Li formalnykh vektornykh polei”, Izv. AN, ser. matem., 34:2 (1970), 322–337 | MR

[2] I. M. Gelfand, D. B. Fuks, “Kogomologii algebr Li vektornykh polei s netrivialnymi koeffitsientami”, Funkts. analiz, 4:3 (1970), 10–25 | MR