Lavrent'ev, M.M. <br/><br/>
Linear operators and ill-posed problems   
by M.M. Lavrent'ev, L.Ya. Savelev 
 - New York  Consultants Bureau  1995 
 - xii, 382p. 
<br/><br/><label>ISBN: </label>0306110350 
<br/><br/><label>Dewey Class. No.: </label>515.7246  / N95