Levy, H. (Hyman), 1889-  Levy, H. (Hyman), 1889- <br/><br/>
Finite difference equations 
[by] H. Levy [and] F. Lessman. 
 - [1st American ed.]. 
 - New York,  Macmillan  [1961] 
<br/><br/><label>LCCN: </label>61007178 /L/r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Difference equations.
<br/><br/><label>LC Class. No.: </label>QA431  / .L57 1961 
<br/><br/><label>Dewey Class. No.: </label>517.6