Marchenko, V.A <br/><br/>
Sturm-liouville operators & applications 
V.A. Marchenko 
 - Basel  Birkhauser Verlag  1986 
 - xi+ 367 
 - advances & applications 22 Operator theory .
<br/><br/><label>ISBN: </label>3764317949 
<br/><br/><label>Dewey Class. No.: </label>6.04  / 5.03 MARC