Krabbe, Gregers. <br/><br/>
Operational calculus. 

 - Berlin;  New York:  Springer-Verlag,  1970. 
 - xv, 349 p.:  illus.;  26 cm. 
<br/><br/>Bibliography: p. [345]-346. 
<br/><br/><label>LCCN: </label>77079088 
<br/><br/><label>Nat. Bib. No.: </label>GDB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus, Operational.
<br/><br/><label>Dewey Class. No.: </label>515.723  / K89o