Forsyth A R <br/><br/>
Theory of functional equations 
Forsyth A R 
 -  1959 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>29898 
<br/><br/><label>Source: </label> Annuals, Advances 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>B33, J9.3;4