Payne, L.E <br/><br/>
Improperly posed problems in partial differential equations 
L.E. Payne 
 - Philadelphia  SIAM  1975 
 - v  76 
 - CBMS-NSF regional conference series in applied mathematic 22 .
<br/><br/><label>Dewey Class. No.: </label>10.02  / PAYN