Katok, Anatole <br/><br/>
Invariant manifolds, entropy and billiards; smooth maps with singularities /  
Anatole Katok, Jean-Marie Strelcyn ; with the collaboration of F. Ledrappier and F. Przytycki. 
 - 1a ed. 
 - New York,   Springer-verlag,   1986 
 - viii, 283 p. :   il. ;   24 cm. 
 - (Lecture notes in mathematics ; )  V.1222 .
<br/><br/><label>ISBN: </label>3540171908 0387171908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sistemas dinamicos
<br/><br/><label>LC Class. No.: </label>QA614.8   / K38 1986