Bhatia, Nam Parshad. <br/><br/>
Local semi-dynamical systems / 
N. P. Bhatia, O. Hajek. 
 - Berlin :  Springer-Verlag,  1969. 
 - 157 p. :  ill. ;  28 cm. 
 - Lecture notes in mathematics  90 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.<br/>Topological dynamics.