@article{AA_1990_2_2_a1,
     author = {N. L. Gordeev},
     title = {Coranks of elements of linear groups and the complexity of algebras of invariants},
     journal = {Algebra i analiz},
     pages = {39--64},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1990_2_2_a1/}
}