00312nam a2200121Ia 4500082001900000100001700019245004900036260003100085300002800116490003600144500000500180700000500185  a530.1bEx96.OQ  aExner, Paval  aOpen quantum systems and Feynman integralsb  aDordrechtbD. Reidelc1985  axix, 356p. Index, Bibl.  aFundamental theories of Physics  a  a