Lefschetz, Solomon,  1884-1972. <br/><br/>
Differential equations / 
Solomon Lefschetz 
 - 2nd ed. 
 - New York :  John Wiley & Sons,  1962 
 - x, 390 p. :  ill. ;  21 cm. 
<br/><br/> 'Unabridged republication of the second (1963) edition of the work originally published by Interscience Publishers in 1957 as volume VI of the Interscience pure and applied mathematics series.'  Includes index. 
<br/><br/>Bibliography: p. 376-385. 
<br/><br/><label>LCCN: </label>62-21884 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>Topology