@article{TMF_2008_156_2_a7,
     author = {S. E. Konstein and I. V. Tyutin},
     title = {Deformations of the~central extension of {the~Poisson} superalgebra},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {250--269},
     publisher = {mathdoc},
     volume = {156},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2008_156_2_a7/}
}