@article{MZM_2003_73_1_a14,
     author = {O. G. Smolyanov and J. Kupsch},
     title = {Asymptotic {Decoherence} in {Infinite-Dimensional} {Quantum} {Systems} with {Quadratic} {Hamiltonians}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {143--148},
     publisher = {mathdoc},
     volume = {73},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_73_1_a14/}
}