Lefschetz, Solomon,  1884-1972. <br/><br/>
Lectures on differential equations/ 
by Solomon Lefschetz. 
 - Princeton, N.J.:  London:  Princeton University Press,  1946. 
 - 2 p.l., [vii]-viii, 209 (i.e. 212) p.:  diagrs.,  23 cm. 
 - Annals of mathematics studies;  14. .
<br/><br/><label>LCCN: </label>a  46005010 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label>515.35