Operator Theory and Indefinite Inner Product Spaces  Presented on the occasion of the retirement of Heinz Langer in the Colloquium on Operator Theory, Vienna, March 2004 /  [electronic resource] : 
edited by Matthias Langer, Annemarie Luger, Harald Woracek. 
 - Basel :  Birkhauser Verlag,  2006. 
 - xxxii, 379 p. :  ill., digital ;  24 cm. 
 - Operator Theory: Advances and Applications ;  163 .
<br/><br/><label>ISBN: </label>9783764375164 (electronic bk.) 9783764375157 (paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inner product spaces.<br/>Linear operators.<br/>Differential equations, Linear.
<br/><br/><label>LC Class. No.: </label>QA322.4  / .O64 2006 
<br/><br/><label>Dewey Class. No.: </label>515.733