Hopf, L. . <br/><br/>
Introduction to the Differential Equations of Physics /  Textual Documents 
L.Hopf. 
 - 1st ed. / 
 - New York :  Dover Publications Inc. ,  1948. 
 - 154p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Differential Equations-Physics T/G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>517.38  / H 772 In