Lavrentiev <br/><br/>
Multidimensional Inverse Problems For Differential Equations			 
/ by Lavrentiev; Romanov; Vasiliev 
 - New York:  Spinger verlag,  1970. 
 - v,59p. 
 - Lecture Notes in Mathematics 167 .
<br/><br/><label>ISBN: </label>3340052828 
<br/><br/><label>Dewey Class. No.: </label>517.38  / LAV/M