@article{IVM_1992_5_a7,
     author = {V. N. Rubtsov},
     title = {Topological invariants of elliptic {Spencer} complexes of {Lie} equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {74--92},
     publisher = {mathdoc},
     number = {5},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1992_5_a7/}
}