Shubin, M. A. <br/><br/>
Pseudodifferential operators and spectral theory   

 - Berlin  Springer-Verlag  1987 
 - x, 278p. Index 
<br/><br/> "Translated from the Russian by Stig I. Andersson"   
<br/><br/><label>Dewey Class. No.: </label>515.724  / Sh562.PO