Birkhoff, George David. <br/><br/>
Dynamical systems. 

 - [Rev. ed.]. 
 - Providence, R.I. :  American Mathematical Society,  1966. 
 - American Mathematical Society. Colloquium publications, v. 9 .
<br/><br/>Bibliography: p. 300-302. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dynamics.