@article{FAA_1972_6_3_a3,
     author = {I. M. Gel'fand and D. I. Kalinin and D. B. Fuchs},
     title = {Cohomology of the {Lie} algebra of {Hamiltonian} formal vector fields},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {25--29},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1972_6_3_a3/}
}