TY - JOUR AU - O. G. Smolyanov AU - J. Kupsch TI - Asymptotic Decoherence in Infinite-Dimensional Quantum Systems with Quadratic Hamiltonians JO - Matematičeskie zametki PY - 2003 SP - 143 EP - 148 VL - 73 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2003_73_1_a14/ LA - ru ID - MZM_2003_73_1_a14 ER -