Showalter, R. E <br/><br/>
Hilbert space methods for partial differential equations 
R.E. Showalter 
 - London  Pitman  c1977 
 - xii, 196 p  24 cm 
 - Monographs and studies in mathematics  1 .
<br/><br/> Contine bibliogr. si index 
<br/><br/><label>ISBN: </label>0273010123 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial<br/>Hilbert space