Lefschetz, Solomon,   ( 1884-1972 ) <br/><br/>
Contributions to the theory of nonlinear oscillations 
[by] S.P. Diliberto [and others]. 
 - Princeton,  Princeton University Press,   1950. 
 - 350 p. :   diagrs.  23 cm. 
 - Annals of mathematics studies ;   20. .
 - Annals of mathematics studies. ;   no. 20. .
<br/><br/> Vol. 5 edited by L. Cesari, J. LaSalle, and S. Lefschetz. La Biblioteca sólo posee los v. 1 y 2. 
<br/><br/><label>LCCN: </label>50002400  
<br/><br/><label>Subjects--Topical Terms: </label><br/>OSCILACIONES
<br/><br/><label>Dewey Class. No.: </label>531.3