@article{TMF_2013_174_3_a1,
     author = {C. Roger},
     title = {Double extensions of {Lie} algebras of {Kac{\textendash}Moody} type and applications to some {Hamiltonian} systems},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {364--382},
     year = {2013},
     volume = {174},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2013_174_3_a1/}
}