Todorov,I.T. <br/><br/>
Analytic properties of feynman diagrams in quantum field theory   
by I.T.Todorov, tr.by Clifford Risk 
 - Oxford  Pergamon Press  1970 
 - xvi, 152p. 
 - Interna. series of monographs in natural philosophy  V.38 .
<br/><br/><label>Dewey Class. No.: </label>530.143  / N711