Friedrichs L O <br/><br/>
Lectues on advanced ordinary differential eqaution 

 - London  Thomas nelson and sons ltd        1965 
 - ix,205p.  cm. 
 - New York University, Institute of Mathematical Sciences, Notes on Mathematics and its Applications. Ed by Jacob T Schwartz .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equations
<br/><br/><label>Dewey Class. No.: </label>B331, K5