@article{SM_1998_189_3_a0, author = {O. I. Bogoyavlenskii}, title = {Canonical forms for the~invariant tensors and $A$-$B$-$C$-cohomologies of integrable {Hamiltonian} systems}, journal = {Sbornik. Mathematics}, pages = {315--357}, publisher = {mathdoc}, volume = {189}, number = {3}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SM_1998_189_3_a0/} }