Shubin, M.A (ed) <br/><br/>
Partial differential equations VIII  overdetermined systems, dissipative singular schodinger operator, index theory 
Ed by M.A. Shubin 
 - Berlin  Springer  1996 
 - 258 
 - Encyclopaedia of mathematical sciences 65 .
<br/><br/><label>ISBN: </label>3-540-57036-5 
<br/><br/><label>Dewey Class. No.: </label>5.03+10.02+10.04  / SHUB