@article{FAA_2010_44_1_a1,
     author = {F. V. Weinstein},
     title = {Filtering {Bases} and {Cohomology} of {Nilpotent} {Subalgebras} of the {Witt} {Algebra} and the {Algebra} of {Loops} in~$sl_2$},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {4--26},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2010_44_1_a1/}
}