00339nam a2200121Ia 4500082001900000100002000019245006000039260002600099300002800125490003900153500000500192700002000197  a530.1bP454.ST  aPerry, Peter A.  aScattering theory by the Enss methodbcEd. by O. Simon  aLondonbHarwoodc1983  axiv, 347p. Index, Bibl.  aMathematical reportsv v. I. Pt. I  a  aSimon, O. ; ed.