@article{MZM_1992_52_1_a5,
     author = {D. I. Gurevich and V. V. Lychagin and V. N. Rubtsov},
     title = {Nonholonomic filtration of cohomologies of {Lie} algebras and ``large brackets''},
     journal = {Matemati\v{c}eskie zametki},
     pages = {36--41},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_52_1_a5/}
}