Perry, Peter A. <br/><br/>
Scattering theory by the Enss method   
Ed. by O. Simon 
 - London  Harwood  1983 
 - xiv, 347p. Index, Bibl. 
 - Mathematical reports   v. I. Pt. I .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>530.1  / P454.ST