Margulis, G.A <br/><br/>
On some aspects of the theory of anosov systems - with a survey by Richard Sharp  periodic orbits of hyperbolic flows 
G.A. Margulis 
 - Berlin  Springer  2004 
 - ix  140 
 - Springer monographs in mathematics .
<br/><br/><label>ISBN: </label>9783540401216 
<br/><br/><label>Dewey Class. No.: </label>12.03+24  / MARG