@article{MZM_2000_68_3_a17,
     author = {O. G. Smolyanov and J. Kupsch},
     title = {Bogolyubov transformations in {Wiener{\textendash}Segal{\textendash}Fock} space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {474--479},
     year = {2000},
     volume = {68},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_68_3_a17/}
}