TY - JOUR A1 - Baumgärtel, Hellmut T1 - Lax-phillips evolutions in quantum mechanics and two-space scattering Y1 - 2004 SN - 0034-4877 ER - TY - JOUR A1 - Baumgärtel, Hellmut T1 - Lax-phillips evolutions in quantum mechanics and two-space scattering Y1 - 2004 SN - 0034-4877 ER -