@article{TMF_2008_155_1_a8,
     author = {S. E. Konstein and I. V. Tyutin},
     title = {Deformations of the nondegenerate constant {Poisson} bracket and},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {109--116},
     year = {2008},
     volume = {155},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2008_155_1_a8/}
}