Buttazzo, Giuseppe <br/><br/>
Semicomtinuity, relaxation and integral representation in the calculus of variations 
Giuseppe Buttazzo 
 - New York  Longman Scientific & Technical  1989 
 - 222 p  25 cm 
 - Pitman research notes in mathematics series  207 .
<br/><br/> Contine bibliografie 
<br/><br/><label>ISBN: </label>0582018595