Gripenberg, G. <br/><br/>
Volterra integral and functional equations   
by G. Gripenberg, S.O. Londen and O.Staffans 
 - Cambridge  Cambridge University Press  1990 
 - xxii, 701p. 
 - Encyclopedia of Mathematics and its Applications .
<br/><br/><label>ISBN: </label>0521372895 
<br/><br/><label>Dewey Class. No.: </label>515.45  / N901