@article{TIMM_2010_16_2_a11,
     author = {V. A. Kyrov},
     title = {Functional equations in symplectic geometry},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {149--153},
     year = {2010},
     volume = {16},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2010_16_2_a11/}
}