Rektorys, Karel <br/><br/>
Variational methods in mathematics, science and engineering 
Karel Rektorys                                              
 - Dordrecht  D. Reidel Publishing  1977 
 - 571p. 
<br/><br/><label>ISBN: </label>90-277-0488-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equations<br/>NASA Thesaurus<br/>Variational Methods
<br/><br/><label>Universal Decimal Class. No.: </label>517.97  / REK