Azizov, T. Ya. and Iokhvidov, I. S. <br/><br/>
Linear operators in spaces with an indefinite metric   

 - Chichester  John Wiley  1989 
 - xi, 304p. Index. 
 - Pure and Applied Mathematics   a wiley-interscience series of texts, monographs and tracts .
<br/><br/> "Tr. from the Russian by E. R. Dawson".   
<br/><br/><label>Dewey Class. No.: </label>515.72  / Az995.LO