@article{IVM_1989_7_a11, author = {N. A. Koreshkov}, title = {A deformation of {a~Hamiltonian} {Lie} algebra}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {69--70}, year = {1989}, number = {7}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1989_7_a11/} }