Lavrent'ev, M.M. <br/><br/>
III- Posed Problems of Mathematical Physics and Analysis 

 - Rhode Island  American Mathematical Society  1986 
 - vi,290p.  25cm.  PB 
 - Translation of mathematical monogrphs Vol.64 .
<br/><br/><label>ISBN: </label>0821808966 
<br/><br/><label>Dewey Class. No.: </label>530.155  / LAV